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Finding the Fourth Proportional to 9,266.39, 12,800.80 and 7,471.23

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Solution

The fourth proportional to 9,266.39, 12,800.80 and 7,471.23 is: 10,320.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.39 : 12,800.80 = 7,471.23 : x
  2. Step 2: Convert to fraction form
    9,266.39/12,800.80 = 7,471.23/x
  3. Step 3: Cross multiply
    9,266.39x = 12,800.80 × 7,471.23
  4. Step 4: Simplify right side
    9,266.39x = 95,637,720.98
  5. Step 5: Solve for x
    x = 95,637,720.98/9,266.39
  6. Step 6: Final answer
    x = 10,320.93

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Half scale
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Double scale
Find fourth proportional to 9,267.39, 12,802.18 and 7,472.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.