Home / 10,250.16-15,370.38-5,314.86

Finding the Fourth Proportional to 10,250.16, 15,370.38 and 5,314.86

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Solution

The fourth proportional to 10,250.16, 15,370.38 and 5,314.86 is: 7,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.16 : 15,370.38 = 5,314.86 : x
  2. Step 2: Convert to fraction form
    10,250.16/15,370.38 = 5,314.86/x
  3. Step 3: Cross multiply
    10,250.16x = 15,370.38 × 5,314.86
  4. Step 4: Simplify right side
    10,250.16x = 81,691,417.85
  5. Step 5: Solve for x
    x = 81,691,417.85/10,250.16
  6. Step 6: Final answer
    x = 7,969.77

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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.