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Finding the Fourth Proportional to 11,616.91, 17,423.54 and 9,655.14

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Solution

The fourth proportional to 11,616.91, 17,423.54 and 9,655.14 is: 14,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,616.91 : 17,423.54 = 9,655.14 : x
  2. Step 2: Convert to fraction form
    11,616.91/17,423.54 = 9,655.14/x
  3. Step 3: Cross multiply
    11,616.91x = 17,423.54 × 9,655.14
  4. Step 4: Simplify right side
    11,616.91x = 168,226,718.00
  5. Step 5: Solve for x
    x = 168,226,718.00/11,616.91
  6. Step 6: Final answer
    x = 14,481.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.