Home / 11,253.12-16,876.80-5,324.16

Finding the Fourth Proportional to 11,253.12, 16,876.80 and 5,324.16

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Solution

The fourth proportional to 11,253.12, 16,876.80 and 5,324.16 is: 7,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.12 : 16,876.80 = 5,324.16 : x
  2. Step 2: Convert to fraction form
    11,253.12/16,876.80 = 5,324.16/x
  3. Step 3: Cross multiply
    11,253.12x = 16,876.80 × 5,324.16
  4. Step 4: Simplify right side
    11,253.12x = 89,854,783.49
  5. Step 5: Solve for x
    x = 89,854,783.49/11,253.12
  6. Step 6: Final answer
    x = 7,984.88

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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.