Home / 9,335.04-12,882.34-5,143.29

Finding the Fourth Proportional to 9,335.04, 12,882.34 and 5,143.29

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Solution

The fourth proportional to 9,335.04, 12,882.34 and 5,143.29 is: 7,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.04 : 12,882.34 = 5,143.29 : x
  2. Step 2: Convert to fraction form
    9,335.04/12,882.34 = 5,143.29/x
  3. Step 3: Cross multiply
    9,335.04x = 12,882.34 × 5,143.29
  4. Step 4: Simplify right side
    9,335.04x = 66,257,546.09
  5. Step 5: Solve for x
    x = 66,257,546.09/9,335.04
  6. Step 6: Final answer
    x = 7,097.73

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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.