Home / 10,318.39-14,239.11-5,842.57

Finding the Fourth Proportional to 10,318.39, 14,239.11 and 5,842.57

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Solution

The fourth proportional to 10,318.39, 14,239.11 and 5,842.57 is: 8,062.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.39 : 14,239.11 = 5,842.57 : x
  2. Step 2: Convert to fraction form
    10,318.39/14,239.11 = 5,842.57/x
  3. Step 3: Cross multiply
    10,318.39x = 14,239.11 × 5,842.57
  4. Step 4: Simplify right side
    10,318.39x = 83,192,977.06
  5. Step 5: Solve for x
    x = 83,192,977.06/10,318.39
  6. Step 6: Final answer
    x = 8,062.59

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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.