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Finding the Fourth Proportional to 8,366.57, 11,545.50 and 5,011.25

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Solution

The fourth proportional to 8,366.57, 11,545.50 and 5,011.25 is: 6,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.57 : 11,545.50 = 5,011.25 : x
  2. Step 2: Convert to fraction form
    8,366.57/11,545.50 = 5,011.25/x
  3. Step 3: Cross multiply
    8,366.57x = 11,545.50 × 5,011.25
  4. Step 4: Simplify right side
    8,366.57x = 57,857,386.88
  5. Step 5: Solve for x
    x = 57,857,386.88/8,366.57
  6. Step 6: Final answer
    x = 6,915.31

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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.