Home / 10,089.12-15,135.24-2,694.18

Finding the Fourth Proportional to 10,089.12, 15,135.24 and 2,694.18

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Solution

The fourth proportional to 10,089.12, 15,135.24 and 2,694.18 is: 4,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.12 : 15,135.24 = 2,694.18 : x
  2. Step 2: Convert to fraction form
    10,089.12/15,135.24 = 2,694.18/x
  3. Step 3: Cross multiply
    10,089.12x = 15,135.24 × 2,694.18
  4. Step 4: Simplify right side
    10,089.12x = 40,777,060.90
  5. Step 5: Solve for x
    x = 40,777,060.90/10,089.12
  6. Step 6: Final answer
    x = 4,041.69

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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.