Home / 9,334.89-12,882.12-5,143.14

Finding the Fourth Proportional to 9,334.89, 12,882.12 and 5,143.14

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Solution

The fourth proportional to 9,334.89, 12,882.12 and 5,143.14 is: 7,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.89 : 12,882.12 = 5,143.14 : x
  2. Step 2: Convert to fraction form
    9,334.89/12,882.12 = 5,143.14/x
  3. Step 3: Cross multiply
    9,334.89x = 12,882.12 × 5,143.14
  4. Step 4: Simplify right side
    9,334.89x = 66,254,546.66
  5. Step 5: Solve for x
    x = 66,254,546.66/9,334.89
  6. Step 6: Final answer
    x = 7,097.52

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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.