Home / 9,344.94-12,895.96-5,153.19

Finding the Fourth Proportional to 9,344.94, 12,895.96 and 5,153.19

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Solution

The fourth proportional to 9,344.94, 12,895.96 and 5,153.19 is: 7,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344.94 : 12,895.96 = 5,153.19 : x
  2. Step 2: Convert to fraction form
    9,344.94/12,895.96 = 5,153.19/x
  3. Step 3: Cross multiply
    9,344.94x = 12,895.96 × 5,153.19
  4. Step 4: Simplify right side
    9,344.94x = 66,455,319.23
  5. Step 5: Solve for x
    x = 66,455,319.23/9,344.94
  6. Step 6: Final answer
    x = 7,111.37

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Half scale
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Double scale
Find fourth proportional to 9,345.94, 12,897.34 and 5,154.19
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.