Home / 9,126.69-13,690.02-2,201.19

Finding the Fourth Proportional to 9,126.69, 13,690.02 and 2,201.19

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Solution

The fourth proportional to 9,126.69, 13,690.02 and 2,201.19 is: 3,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.69 : 13,690.02 = 2,201.19 : x
  2. Step 2: Convert to fraction form
    9,126.69/13,690.02 = 2,201.19/x
  3. Step 3: Cross multiply
    9,126.69x = 13,690.02 × 2,201.19
  4. Step 4: Simplify right side
    9,126.69x = 30,134,335.12
  5. Step 5: Solve for x
    x = 30,134,335.12/9,126.69
  6. Step 6: Final answer
    x = 3,301.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.