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Finding the Fourth Proportional to 9,127.01, 13,713.58 and 8,757.96

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Solution

The fourth proportional to 9,127.01, 13,713.58 and 8,757.96 is: 13,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.01 : 13,713.58 = 8,757.96 : x
  2. Step 2: Convert to fraction form
    9,127.01/13,713.58 = 8,757.96/x
  3. Step 3: Cross multiply
    9,127.01x = 13,713.58 × 8,757.96
  4. Step 4: Simplify right side
    9,127.01x = 120,102,985.10
  5. Step 5: Solve for x
    x = 120,102,985.10/9,127.01
  6. Step 6: Final answer
    x = 13,159.07

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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.