Home / 11,218.43-15,479.16-7,024.25

Finding the Fourth Proportional to 11,218.43, 15,479.16 and 7,024.25

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Solution

The fourth proportional to 11,218.43, 15,479.16 and 7,024.25 is: 9,692.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.43 : 15,479.16 = 7,024.25 : x
  2. Step 2: Convert to fraction form
    11,218.43/15,479.16 = 7,024.25/x
  3. Step 3: Cross multiply
    11,218.43x = 15,479.16 × 7,024.25
  4. Step 4: Simplify right side
    11,218.43x = 108,729,489.63
  5. Step 5: Solve for x
    x = 108,729,489.63/11,218.43
  6. Step 6: Final answer
    x = 9,692.04

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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.