Home / 7,988.16-11,023.68-4,452.08

Finding the Fourth Proportional to 7,988.16, 11,023.68 and 4,452.08

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Solution

The fourth proportional to 7,988.16, 11,023.68 and 4,452.08 is: 6,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.16 : 11,023.68 = 4,452.08 : x
  2. Step 2: Convert to fraction form
    7,988.16/11,023.68 = 4,452.08/x
  3. Step 3: Cross multiply
    7,988.16x = 11,023.68 × 4,452.08
  4. Step 4: Simplify right side
    7,988.16x = 49,078,305.25
  5. Step 5: Solve for x
    x = 49,078,305.25/7,988.16
  6. Step 6: Final answer
    x = 6,143.88

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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.