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Finding the Fourth Proportional to 9,366.73, 12,858.40 and 8,038.12

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Solution

The fourth proportional to 9,366.73, 12,858.40 and 8,038.12 is: 11,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.73 : 12,858.40 = 8,038.12 : x
  2. Step 2: Convert to fraction form
    9,366.73/12,858.40 = 8,038.12/x
  3. Step 3: Cross multiply
    9,366.73x = 12,858.40 × 8,038.12
  4. Step 4: Simplify right side
    9,366.73x = 103,357,362.21
  5. Step 5: Solve for x
    x = 103,357,362.21/9,366.73
  6. Step 6: Final answer
    x = 11,034.52

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Find fourth proportional to 4,683.37, 6,429.20 and 4,019.06
Half scale
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Double scale
Find fourth proportional to 9,367.73, 12,859.77 and 8,039.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.