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Finding the Fourth Proportional to 10,993.66, 16,490.68 and 3,598.10

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Solution

The fourth proportional to 10,993.66, 16,490.68 and 3,598.10 is: 5,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.66 : 16,490.68 = 3,598.10 : x
  2. Step 2: Convert to fraction form
    10,993.66/16,490.68 = 3,598.10/x
  3. Step 3: Cross multiply
    10,993.66x = 16,490.68 × 3,598.10
  4. Step 4: Simplify right side
    10,993.66x = 59,335,115.71
  5. Step 5: Solve for x
    x = 59,335,115.71/10,993.66
  6. Step 6: Final answer
    x = 5,397.21

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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.