Home / 10,207.77-14,087.97-5,731.71

Finding the Fourth Proportional to 10,207.77, 14,087.97 and 5,731.71

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Solution

The fourth proportional to 10,207.77, 14,087.97 and 5,731.71 is: 7,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.77 : 14,087.97 = 5,731.71 : x
  2. Step 2: Convert to fraction form
    10,207.77/14,087.97 = 5,731.71/x
  3. Step 3: Cross multiply
    10,207.77x = 14,087.97 × 5,731.71
  4. Step 4: Simplify right side
    10,207.77x = 80,748,158.53
  5. Step 5: Solve for x
    x = 80,748,158.53/10,207.77
  6. Step 6: Final answer
    x = 7,910.46

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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.