Home / 10,251.56-14,148.18-6,271.91

Finding the Fourth Proportional to 10,251.56, 14,148.18 and 6,271.91

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Solution

The fourth proportional to 10,251.56, 14,148.18 and 6,271.91 is: 8,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.56 : 14,148.18 = 6,271.91 : x
  2. Step 2: Convert to fraction form
    10,251.56/14,148.18 = 6,271.91/x
  3. Step 3: Cross multiply
    10,251.56x = 14,148.18 × 6,271.91
  4. Step 4: Simplify right side
    10,251.56x = 88,736,062.97
  5. Step 5: Solve for x
    x = 88,736,062.97/10,251.56
  6. Step 6: Final answer
    x = 8,655.86

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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.