Home / 10,087.44-15,153.05-8,530.57

Finding the Fourth Proportional to 10,087.44, 15,153.05 and 8,530.57

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Solution

The fourth proportional to 10,087.44, 15,153.05 and 8,530.57 is: 12,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.44 : 15,153.05 = 8,530.57 : x
  2. Step 2: Convert to fraction form
    10,087.44/15,153.05 = 8,530.57/x
  3. Step 3: Cross multiply
    10,087.44x = 15,153.05 × 8,530.57
  4. Step 4: Simplify right side
    10,087.44x = 129,264,077.97
  5. Step 5: Solve for x
    x = 129,264,077.97/10,087.44
  6. Step 6: Final answer
    x = 12,814.37

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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.