Home / 10,125.58-15,167.53-8,958.61

Finding the Fourth Proportional to 10,125.58, 15,167.53 and 8,958.61

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Solution

The fourth proportional to 10,125.58, 15,167.53 and 8,958.61 is: 13,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.58 : 15,167.53 = 8,958.61 : x
  2. Step 2: Convert to fraction form
    10,125.58/15,167.53 = 8,958.61/x
  3. Step 3: Cross multiply
    10,125.58x = 15,167.53 × 8,958.61
  4. Step 4: Simplify right side
    10,125.58x = 135,880,012.22
  5. Step 5: Solve for x
    x = 135,880,012.22/10,125.58
  6. Step 6: Final answer
    x = 13,419.48

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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.