Home / 10,077.35-15,122.97-3,503.52

Finding the Fourth Proportional to 10,077.35, 15,122.97 and 3,503.52

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Solution

The fourth proportional to 10,077.35, 15,122.97 and 3,503.52 is: 5,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.35 : 15,122.97 = 3,503.52 : x
  2. Step 2: Convert to fraction form
    10,077.35/15,122.97 = 3,503.52/x
  3. Step 3: Cross multiply
    10,077.35x = 15,122.97 × 3,503.52
  4. Step 4: Simplify right side
    10,077.35x = 52,983,627.85
  5. Step 5: Solve for x
    x = 52,983,627.85/10,077.35
  6. Step 6: Final answer
    x = 5,257.70

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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.