Home / 9,067.90-12,513.33-5,291.28

Finding the Fourth Proportional to 9,067.90, 12,513.33 and 5,291.28

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Solution

The fourth proportional to 9,067.90, 12,513.33 and 5,291.28 is: 7,301.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,067.90 : 12,513.33 = 5,291.28 : x
  2. Step 2: Convert to fraction form
    9,067.90/12,513.33 = 5,291.28/x
  3. Step 3: Cross multiply
    9,067.90x = 12,513.33 × 5,291.28
  4. Step 4: Simplify right side
    9,067.90x = 66,211,532.76
  5. Step 5: Solve for x
    x = 66,211,532.76/9,067.90
  6. Step 6: Final answer
    x = 7,301.75

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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.