Home / 10,358.33-14,294.36-5,642.61

Finding the Fourth Proportional to 10,358.33, 14,294.36 and 5,642.61

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Solution

The fourth proportional to 10,358.33, 14,294.36 and 5,642.61 is: 7,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.33 : 14,294.36 = 5,642.61 : x
  2. Step 2: Convert to fraction form
    10,358.33/14,294.36 = 5,642.61/x
  3. Step 3: Cross multiply
    10,358.33x = 14,294.36 × 5,642.61
  4. Step 4: Simplify right side
    10,358.33x = 80,657,470.47
  5. Step 5: Solve for x
    x = 80,657,470.47/10,358.33
  6. Step 6: Final answer
    x = 7,786.73

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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.