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Finding the Fourth Proportional to 10,395.68, 15,626.36 and 8,952.28

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Solution

The fourth proportional to 10,395.68, 15,626.36 and 8,952.28 is: 13,456.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.68 : 15,626.36 = 8,952.28 : x
  2. Step 2: Convert to fraction form
    10,395.68/15,626.36 = 8,952.28/x
  3. Step 3: Cross multiply
    10,395.68x = 15,626.36 × 8,952.28
  4. Step 4: Simplify right side
    10,395.68x = 139,891,550.10
  5. Step 5: Solve for x
    x = 139,891,550.10/10,395.68
  6. Step 6: Final answer
    x = 13,456.70

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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.