Home / 10,077.72-15,101.19-4,231.14

Finding the Fourth Proportional to 10,077.72, 15,101.19 and 4,231.14

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Solution

The fourth proportional to 10,077.72, 15,101.19 and 4,231.14 is: 6,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.72 : 15,101.19 = 4,231.14 : x
  2. Step 2: Convert to fraction form
    10,077.72/15,101.19 = 4,231.14/x
  3. Step 3: Cross multiply
    10,077.72x = 15,101.19 × 4,231.14
  4. Step 4: Simplify right side
    10,077.72x = 63,895,249.06
  5. Step 5: Solve for x
    x = 63,895,249.06/10,077.72
  6. Step 6: Final answer
    x = 6,340.25

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1.5x scale

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.