Home / 9,335.26-12,882.81-5,143.51

Finding the Fourth Proportional to 9,335.26, 12,882.81 and 5,143.51

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Solution

The fourth proportional to 9,335.26, 12,882.81 and 5,143.51 is: 7,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.26 : 12,882.81 = 5,143.51 : x
  2. Step 2: Convert to fraction form
    9,335.26/12,882.81 = 5,143.51/x
  3. Step 3: Cross multiply
    9,335.26x = 12,882.81 × 5,143.51
  4. Step 4: Simplify right side
    9,335.26x = 66,262,862.06
  5. Step 5: Solve for x
    x = 66,262,862.06/9,335.26
  6. Step 6: Final answer
    x = 7,098.13

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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.