Home / 10,089.68-15,133.41-2,694.78

Finding the Fourth Proportional to 10,089.68, 15,133.41 and 2,694.78

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Solution

The fourth proportional to 10,089.68, 15,133.41 and 2,694.78 is: 4,041.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.68 : 15,133.41 = 2,694.78 : x
  2. Step 2: Convert to fraction form
    10,089.68/15,133.41 = 2,694.78/x
  3. Step 3: Cross multiply
    10,089.68x = 15,133.41 × 2,694.78
  4. Step 4: Simplify right side
    10,089.68x = 40,781,210.60
  5. Step 5: Solve for x
    x = 40,781,210.60/10,089.68
  6. Step 6: Final answer
    x = 4,041.88

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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.