Home / 9,023.38-12,452.05-4,990.18

Finding the Fourth Proportional to 9,023.38, 12,452.05 and 4,990.18

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Solution

The fourth proportional to 9,023.38, 12,452.05 and 4,990.18 is: 6,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,023.38 : 12,452.05 = 4,990.18 : x
  2. Step 2: Convert to fraction form
    9,023.38/12,452.05 = 4,990.18/x
  3. Step 3: Cross multiply
    9,023.38x = 12,452.05 × 4,990.18
  4. Step 4: Simplify right side
    9,023.38x = 62,137,970.87
  5. Step 5: Solve for x
    x = 62,137,970.87/9,023.38
  6. Step 6: Final answer
    x = 6,886.33

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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.