Home / 10,575.80-15,869.13-4,656.83

Finding the Fourth Proportional to 10,575.80, 15,869.13 and 4,656.83

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Solution

The fourth proportional to 10,575.80, 15,869.13 and 4,656.83 is: 6,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.80 : 15,869.13 = 4,656.83 : x
  2. Step 2: Convert to fraction form
    10,575.80/15,869.13 = 4,656.83/x
  3. Step 3: Cross multiply
    10,575.80x = 15,869.13 × 4,656.83
  4. Step 4: Simplify right side
    10,575.80x = 73,899,761.31
  5. Step 5: Solve for x
    x = 73,899,761.31/10,575.80
  6. Step 6: Final answer
    x = 6,987.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.