Home / 9,028.88-12,459.48-5,049.92

Finding the Fourth Proportional to 9,028.88, 12,459.48 and 5,049.92

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Solution

The fourth proportional to 9,028.88, 12,459.48 and 5,049.92 is: 6,968.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.88 : 12,459.48 = 5,049.92 : x
  2. Step 2: Convert to fraction form
    9,028.88/12,459.48 = 5,049.92/x
  3. Step 3: Cross multiply
    9,028.88x = 12,459.48 × 5,049.92
  4. Step 4: Simplify right side
    9,028.88x = 62,919,377.24
  5. Step 5: Solve for x
    x = 62,919,377.24/9,028.88
  6. Step 6: Final answer
    x = 6,968.68

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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.