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Finding the Fourth Proportional to 8,359.76, 11,510.16 and 6,363.92

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Solution

The fourth proportional to 8,359.76, 11,510.16 and 6,363.92 is: 8,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.76 : 11,510.16 = 6,363.92 : x
  2. Step 2: Convert to fraction form
    8,359.76/11,510.16 = 6,363.92/x
  3. Step 3: Cross multiply
    8,359.76x = 11,510.16 × 6,363.92
  4. Step 4: Simplify right side
    8,359.76x = 73,249,737.43
  5. Step 5: Solve for x
    x = 73,249,737.43/8,359.76
  6. Step 6: Final answer
    x = 8,762.18

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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.