Home / 10,887.98-15,025.14-6,351.48

Finding the Fourth Proportional to 10,887.98, 15,025.14 and 6,351.48

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Solution

The fourth proportional to 10,887.98, 15,025.14 and 6,351.48 is: 8,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887.98 : 15,025.14 = 6,351.48 : x
  2. Step 2: Convert to fraction form
    10,887.98/15,025.14 = 6,351.48/x
  3. Step 3: Cross multiply
    10,887.98x = 15,025.14 × 6,351.48
  4. Step 4: Simplify right side
    10,887.98x = 95,431,876.21
  5. Step 5: Solve for x
    x = 95,431,876.21/10,887.98
  6. Step 6: Final answer
    x = 8,764.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.