Home / 11,354.48-15,671.72-6,320.52

Finding the Fourth Proportional to 11,354.48, 15,671.72 and 6,320.52

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Solution

The fourth proportional to 11,354.48, 15,671.72 and 6,320.52 is: 8,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.48 : 15,671.72 = 6,320.52 : x
  2. Step 2: Convert to fraction form
    11,354.48/15,671.72 = 6,320.52/x
  3. Step 3: Cross multiply
    11,354.48x = 15,671.72 × 6,320.52
  4. Step 4: Simplify right side
    11,354.48x = 99,053,419.69
  5. Step 5: Solve for x
    x = 99,053,419.69/11,354.48
  6. Step 6: Final answer
    x = 8,723.73

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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.