Home / 9,891.28-14,836.98-4,047.89

Finding the Fourth Proportional to 9,891.28, 14,836.98 and 4,047.89

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Solution

The fourth proportional to 9,891.28, 14,836.98 and 4,047.89 is: 6,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.28 : 14,836.98 = 4,047.89 : x
  2. Step 2: Convert to fraction form
    9,891.28/14,836.98 = 4,047.89/x
  3. Step 3: Cross multiply
    9,891.28x = 14,836.98 × 4,047.89
  4. Step 4: Simplify right side
    9,891.28x = 60,058,462.97
  5. Step 5: Solve for x
    x = 60,058,462.97/9,891.28
  6. Step 6: Final answer
    x = 6,071.86

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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.