Home / 8,318.17-12,466.88-4,159.37

Finding the Fourth Proportional to 8,318.17, 12,466.88 and 4,159.37

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Solution

The fourth proportional to 8,318.17, 12,466.88 and 4,159.37 is: 6,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.17 : 12,466.88 = 4,159.37 : x
  2. Step 2: Convert to fraction form
    8,318.17/12,466.88 = 4,159.37/x
  3. Step 3: Cross multiply
    8,318.17x = 12,466.88 × 4,159.37
  4. Step 4: Simplify right side
    8,318.17x = 51,854,345.87
  5. Step 5: Solve for x
    x = 51,854,345.87/8,318.17
  6. Step 6: Final answer
    x = 6,233.86

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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.