Home / 11,301.10-16,951.65-5,458.30

Finding the Fourth Proportional to 11,301.10, 16,951.65 and 5,458.30

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Solution

The fourth proportional to 11,301.10, 16,951.65 and 5,458.30 is: 8,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.10 : 16,951.65 = 5,458.30 : x
  2. Step 2: Convert to fraction form
    11,301.10/16,951.65 = 5,458.30/x
  3. Step 3: Cross multiply
    11,301.10x = 16,951.65 × 5,458.30
  4. Step 4: Simplify right side
    11,301.10x = 92,527,191.20
  5. Step 5: Solve for x
    x = 92,527,191.20/11,301.10
  6. Step 6: Final answer
    x = 8,187.45

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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.