Home / 6,115.52-8,439.66-3,463.18

Finding the Fourth Proportional to 6,115.52, 8,439.66 and 3,463.18

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Solution

The fourth proportional to 6,115.52, 8,439.66 and 3,463.18 is: 4,779.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.52 : 8,439.66 = 3,463.18 : x
  2. Step 2: Convert to fraction form
    6,115.52/8,439.66 = 3,463.18/x
  3. Step 3: Cross multiply
    6,115.52x = 8,439.66 × 3,463.18
  4. Step 4: Simplify right side
    6,115.52x = 29,228,061.72
  5. Step 5: Solve for x
    x = 29,228,061.72/6,115.52
  6. Step 6: Final answer
    x = 4,779.33

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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.