Home / 10,575.18-15,860.01-3,177.66

Finding the Fourth Proportional to 10,575.18, 15,860.01 and 3,177.66

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Solution

The fourth proportional to 10,575.18, 15,860.01 and 3,177.66 is: 4,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.18 : 15,860.01 = 3,177.66 : x
  2. Step 2: Convert to fraction form
    10,575.18/15,860.01 = 3,177.66/x
  3. Step 3: Cross multiply
    10,575.18x = 15,860.01 × 3,177.66
  4. Step 4: Simplify right side
    10,575.18x = 50,397,719.38
  5. Step 5: Solve for x
    x = 50,397,719.38/10,575.18
  6. Step 6: Final answer
    x = 4,765.66

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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.