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Finding the Fourth Proportional to 8,592.18, 11,856.87 and 4,866.18

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Solution

The fourth proportional to 8,592.18, 11,856.87 and 4,866.18 is: 6,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.18 : 11,856.87 = 4,866.18 : x
  2. Step 2: Convert to fraction form
    8,592.18/11,856.87 = 4,866.18/x
  3. Step 3: Cross multiply
    8,592.18x = 11,856.87 × 4,866.18
  4. Step 4: Simplify right side
    8,592.18x = 57,697,663.66
  5. Step 5: Solve for x
    x = 57,697,663.66/8,592.18
  6. Step 6: Final answer
    x = 6,715.14

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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.