Home / 11,426.24-15,775.60-10,229.12

Finding the Fourth Proportional to 11,426.24, 15,775.60 and 10,229.12

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Solution

The fourth proportional to 11,426.24, 15,775.60 and 10,229.12 is: 14,122.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.24 : 15,775.60 = 10,229.12 : x
  2. Step 2: Convert to fraction form
    11,426.24/15,775.60 = 10,229.12/x
  3. Step 3: Cross multiply
    11,426.24x = 15,775.60 × 10,229.12
  4. Step 4: Simplify right side
    11,426.24x = 161,370,505.47
  5. Step 5: Solve for x
    x = 161,370,505.47/11,426.24
  6. Step 6: Final answer
    x = 14,122.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.