Home / 9,335.36-12,882.66-5,143.62

Finding the Fourth Proportional to 9,335.36, 12,882.66 and 5,143.62

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Solution

The fourth proportional to 9,335.36, 12,882.66 and 5,143.62 is: 7,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.36 : 12,882.66 = 5,143.62 : x
  2. Step 2: Convert to fraction form
    9,335.36/12,882.66 = 5,143.62/x
  3. Step 3: Cross multiply
    9,335.36x = 12,882.66 × 5,143.62
  4. Step 4: Simplify right side
    9,335.36x = 66,263,507.63
  5. Step 5: Solve for x
    x = 66,263,507.63/9,335.36
  6. Step 6: Final answer
    x = 7,098.12

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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.