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Finding the Fourth Proportional to 8,598.86, 11,866.91 and 6,470.56

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Solution

The fourth proportional to 8,598.86, 11,866.91 and 6,470.56 is: 8,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.86 : 11,866.91 = 6,470.56 : x
  2. Step 2: Convert to fraction form
    8,598.86/11,866.91 = 6,470.56/x
  3. Step 3: Cross multiply
    8,598.86x = 11,866.91 × 6,470.56
  4. Step 4: Simplify right side
    8,598.86x = 76,785,502.27
  5. Step 5: Solve for x
    x = 76,785,502.27/8,598.86
  6. Step 6: Final answer
    x = 8,929.73

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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.