Home / 10,126.42-15,191.15-3,551.45

Finding the Fourth Proportional to 10,126.42, 15,191.15 and 3,551.45

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Solution

The fourth proportional to 10,126.42, 15,191.15 and 3,551.45 is: 5,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.42 : 15,191.15 = 3,551.45 : x
  2. Step 2: Convert to fraction form
    10,126.42/15,191.15 = 3,551.45/x
  3. Step 3: Cross multiply
    10,126.42x = 15,191.15 × 3,551.45
  4. Step 4: Simplify right side
    10,126.42x = 53,950,515.95
  5. Step 5: Solve for x
    x = 53,950,515.95/10,126.42
  6. Step 6: Final answer
    x = 5,327.70

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