Home / 9,088.14-12,539.42-5,309.16

Finding the Fourth Proportional to 9,088.14, 12,539.42 and 5,309.16

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Solution

The fourth proportional to 9,088.14, 12,539.42 and 5,309.16 is: 7,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.14 : 12,539.42 = 5,309.16 : x
  2. Step 2: Convert to fraction form
    9,088.14/12,539.42 = 5,309.16/x
  3. Step 3: Cross multiply
    9,088.14x = 12,539.42 × 5,309.16
  4. Step 4: Simplify right side
    9,088.14x = 66,573,787.09
  5. Step 5: Solve for x
    x = 66,573,787.09/9,088.14
  6. Step 6: Final answer
    x = 7,325.35

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Half scale
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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.