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Finding the Fourth Proportional to 8,864.60, 12,237.18 and 6,314.00

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Solution

The fourth proportional to 8,864.60, 12,237.18 and 6,314.00 is: 8,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.60 : 12,237.18 = 6,314.00 : x
  2. Step 2: Convert to fraction form
    8,864.60/12,237.18 = 6,314.00/x
  3. Step 3: Cross multiply
    8,864.60x = 12,237.18 × 6,314.00
  4. Step 4: Simplify right side
    8,864.60x = 77,265,493.33
  5. Step 5: Solve for x
    x = 77,265,493.33/8,864.60
  6. Step 6: Final answer
    x = 8,716.19

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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.