Home / 10,393.28-14,342.20-5,676.68

Finding the Fourth Proportional to 10,393.28, 14,342.20 and 5,676.68

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Solution

The fourth proportional to 10,393.28, 14,342.20 and 5,676.68 is: 7,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.28 : 14,342.20 = 5,676.68 : x
  2. Step 2: Convert to fraction form
    10,393.28/14,342.20 = 5,676.68/x
  3. Step 3: Cross multiply
    10,393.28x = 14,342.20 × 5,676.68
  4. Step 4: Simplify right side
    10,393.28x = 81,416,079.90
  5. Step 5: Solve for x
    x = 81,416,079.90/10,393.28
  6. Step 6: Final answer
    x = 7,833.53

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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.