Home / 8,718.42-13,060.12-4,031.86

Finding the Fourth Proportional to 8,718.42, 13,060.12 and 4,031.86

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Solution

The fourth proportional to 8,718.42, 13,060.12 and 4,031.86 is: 6,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.42 : 13,060.12 = 4,031.86 : x
  2. Step 2: Convert to fraction form
    8,718.42/13,060.12 = 4,031.86/x
  3. Step 3: Cross multiply
    8,718.42x = 13,060.12 × 4,031.86
  4. Step 4: Simplify right side
    8,718.42x = 52,656,575.42
  5. Step 5: Solve for x
    x = 52,656,575.42/8,718.42
  6. Step 6: Final answer
    x = 6,039.69

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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.