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Finding the Fourth Proportional to 10,616.12, 14,650.14 and 5,900.30

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Solution

The fourth proportional to 10,616.12, 14,650.14 and 5,900.30 is: 8,142.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.12 : 14,650.14 = 5,900.30 : x
  2. Step 2: Convert to fraction form
    10,616.12/14,650.14 = 5,900.30/x
  3. Step 3: Cross multiply
    10,616.12x = 14,650.14 × 5,900.30
  4. Step 4: Simplify right side
    10,616.12x = 86,440,221.04
  5. Step 5: Solve for x
    x = 86,440,221.04/10,616.12
  6. Step 6: Final answer
    x = 8,142.36

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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.