Home / 9,067.60-12,513.28-5,290.48

Finding the Fourth Proportional to 9,067.60, 12,513.28 and 5,290.48

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Solution

The fourth proportional to 9,067.60, 12,513.28 and 5,290.48 is: 7,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.60 : 12,513.28 = 5,290.48 : x
  2. Step 2: Convert to fraction form
    9,067.60/12,513.28 = 5,290.48/x
  3. Step 3: Cross multiply
    9,067.60x = 12,513.28 × 5,290.48
  4. Step 4: Simplify right side
    9,067.60x = 66,201,257.57
  5. Step 5: Solve for x
    x = 66,201,257.57/9,067.60
  6. Step 6: Final answer
    x = 7,300.86

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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.