Home / 10,158.20-15,224.28-8,836.41

Finding the Fourth Proportional to 10,158.20, 15,224.28 and 8,836.41

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Solution

The fourth proportional to 10,158.20, 15,224.28 and 8,836.41 is: 13,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.20 : 15,224.28 = 8,836.41 : x
  2. Step 2: Convert to fraction form
    10,158.20/15,224.28 = 8,836.41/x
  3. Step 3: Cross multiply
    10,158.20x = 15,224.28 × 8,836.41
  4. Step 4: Simplify right side
    10,158.20x = 134,527,980.03
  5. Step 5: Solve for x
    x = 134,527,980.03/10,158.20
  6. Step 6: Final answer
    x = 13,243.30

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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.