Home / 10,076.87-15,115.44-3,503.18

Finding the Fourth Proportional to 10,076.87, 15,115.44 and 3,503.18

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Solution

The fourth proportional to 10,076.87, 15,115.44 and 3,503.18 is: 5,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.87 : 15,115.44 = 3,503.18 : x
  2. Step 2: Convert to fraction form
    10,076.87/15,115.44 = 3,503.18/x
  3. Step 3: Cross multiply
    10,076.87x = 15,115.44 × 3,503.18
  4. Step 4: Simplify right side
    10,076.87x = 52,952,107.10
  5. Step 5: Solve for x
    x = 52,952,107.10/10,076.87
  6. Step 6: Final answer
    x = 5,254.82

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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.