Home / 9,028.40-12,458.61-5,049.47

Finding the Fourth Proportional to 9,028.40, 12,458.61 and 5,049.47

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Solution

The fourth proportional to 9,028.40, 12,458.61 and 5,049.47 is: 6,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.40 : 12,458.61 = 5,049.47 : x
  2. Step 2: Convert to fraction form
    9,028.40/12,458.61 = 5,049.47/x
  3. Step 3: Cross multiply
    9,028.40x = 12,458.61 × 5,049.47
  4. Step 4: Simplify right side
    9,028.40x = 62,909,408.58
  5. Step 5: Solve for x
    x = 62,909,408.58/9,028.40
  6. Step 6: Final answer
    x = 6,967.95

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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.