Home / 9,948.22-13,728.35-5,471.89

Finding the Fourth Proportional to 9,948.22, 13,728.35 and 5,471.89

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Solution

The fourth proportional to 9,948.22, 13,728.35 and 5,471.89 is: 7,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,948.22 : 13,728.35 = 5,471.89 : x
  2. Step 2: Convert to fraction form
    9,948.22/13,728.35 = 5,471.89/x
  3. Step 3: Cross multiply
    9,948.22x = 13,728.35 × 5,471.89
  4. Step 4: Simplify right side
    9,948.22x = 75,120,000.44
  5. Step 5: Solve for x
    x = 75,120,000.44/9,948.22
  6. Step 6: Final answer
    x = 7,551.10

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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.