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Finding the Fourth Proportional to 8,600.13, 11,875.01 and 6,916.14

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Solution

The fourth proportional to 8,600.13, 11,875.01 and 6,916.14 is: 9,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.13 : 11,875.01 = 6,916.14 : x
  2. Step 2: Convert to fraction form
    8,600.13/11,875.01 = 6,916.14/x
  3. Step 3: Cross multiply
    8,600.13x = 11,875.01 × 6,916.14
  4. Step 4: Simplify right side
    8,600.13x = 82,129,197.08
  5. Step 5: Solve for x
    x = 82,129,197.08/8,600.13
  6. Step 6: Final answer
    x = 9,549.76

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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.