Home / 9,335.22-12,882.60-5,143.47

Finding the Fourth Proportional to 9,335.22, 12,882.60 and 5,143.47

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Solution

The fourth proportional to 9,335.22, 12,882.60 and 5,143.47 is: 7,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.22 : 12,882.60 = 5,143.47 : x
  2. Step 2: Convert to fraction form
    9,335.22/12,882.60 = 5,143.47/x
  3. Step 3: Cross multiply
    9,335.22x = 12,882.60 × 5,143.47
  4. Step 4: Simplify right side
    9,335.22x = 66,261,266.62
  5. Step 5: Solve for x
    x = 66,261,266.62/9,335.22
  6. Step 6: Final answer
    x = 7,097.99

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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.