Home / 8,463.30-11,680.11-4,687.35

Finding the Fourth Proportional to 8,463.30, 11,680.11 and 4,687.35

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Solution

The fourth proportional to 8,463.30, 11,680.11 and 4,687.35 is: 6,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.30 : 11,680.11 = 4,687.35 : x
  2. Step 2: Convert to fraction form
    8,463.30/11,680.11 = 4,687.35/x
  3. Step 3: Cross multiply
    8,463.30x = 11,680.11 × 4,687.35
  4. Step 4: Simplify right side
    8,463.30x = 54,748,763.61
  5. Step 5: Solve for x
    x = 54,748,763.61/8,463.30
  6. Step 6: Final answer
    x = 6,468.96

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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.