Home / 10,502.31-14,493.19-5,786.70

Finding the Fourth Proportional to 10,502.31, 14,493.19 and 5,786.70

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Solution

The fourth proportional to 10,502.31, 14,493.19 and 5,786.70 is: 7,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.31 : 14,493.19 = 5,786.70 : x
  2. Step 2: Convert to fraction form
    10,502.31/14,493.19 = 5,786.70/x
  3. Step 3: Cross multiply
    10,502.31x = 14,493.19 × 5,786.70
  4. Step 4: Simplify right side
    10,502.31x = 83,867,742.57
  5. Step 5: Solve for x
    x = 83,867,742.57/10,502.31
  6. Step 6: Final answer
    x = 7,985.65

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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.