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Finding the Fourth Proportional to 8,867.41, 12,237.05 and 5,330.68

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Solution

The fourth proportional to 8,867.41, 12,237.05 and 5,330.68 is: 7,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.41 : 12,237.05 = 5,330.68 : x
  2. Step 2: Convert to fraction form
    8,867.41/12,237.05 = 5,330.68/x
  3. Step 3: Cross multiply
    8,867.41x = 12,237.05 × 5,330.68
  4. Step 4: Simplify right side
    8,867.41x = 65,231,797.69
  5. Step 5: Solve for x
    x = 65,231,797.69/8,867.41
  6. Step 6: Final answer
    x = 7,356.35

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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.