Home / 10,249.32-15,401.76-5,572.79

Finding the Fourth Proportional to 10,249.32, 15,401.76 and 5,572.79

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Solution

The fourth proportional to 10,249.32, 15,401.76 and 5,572.79 is: 8,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.32 : 15,401.76 = 5,572.79 : x
  2. Step 2: Convert to fraction form
    10,249.32/15,401.76 = 5,572.79/x
  3. Step 3: Cross multiply
    10,249.32x = 15,401.76 × 5,572.79
  4. Step 4: Simplify right side
    10,249.32x = 85,830,774.11
  5. Step 5: Solve for x
    x = 85,830,774.11/10,249.32
  6. Step 6: Final answer
    x = 8,374.29

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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.