Home / 8,366.13-12,551.49-3,439.26

Finding the Fourth Proportional to 8,366.13, 12,551.49 and 3,439.26

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Solution

The fourth proportional to 8,366.13, 12,551.49 and 3,439.26 is: 5,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.13 : 12,551.49 = 3,439.26 : x
  2. Step 2: Convert to fraction form
    8,366.13/12,551.49 = 3,439.26/x
  3. Step 3: Cross multiply
    8,366.13x = 12,551.49 × 3,439.26
  4. Step 4: Simplify right side
    8,366.13x = 43,167,837.50
  5. Step 5: Solve for x
    x = 43,167,837.50/8,366.13
  6. Step 6: Final answer
    x = 5,159.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.