Home / 10,077.90-15,115.15-2,682.46

Finding the Fourth Proportional to 10,077.90, 15,115.15 and 2,682.46

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Solution

The fourth proportional to 10,077.90, 15,115.15 and 2,682.46 is: 4,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.90 : 15,115.15 = 2,682.46 : x
  2. Step 2: Convert to fraction form
    10,077.90/15,115.15 = 2,682.46/x
  3. Step 3: Cross multiply
    10,077.90x = 15,115.15 × 2,682.46
  4. Step 4: Simplify right side
    10,077.90x = 40,545,785.27
  5. Step 5: Solve for x
    x = 40,545,785.27/10,077.90
  6. Step 6: Final answer
    x = 4,023.24

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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.