Home / 9,091.20-13,636.75-2,427.69

Finding the Fourth Proportional to 9,091.20, 13,636.75 and 2,427.69

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Solution

The fourth proportional to 9,091.20, 13,636.75 and 2,427.69 is: 3,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.20 : 13,636.75 = 2,427.69 : x
  2. Step 2: Convert to fraction form
    9,091.20/13,636.75 = 2,427.69/x
  3. Step 3: Cross multiply
    9,091.20x = 13,636.75 × 2,427.69
  4. Step 4: Simplify right side
    9,091.20x = 33,105,801.61
  5. Step 5: Solve for x
    x = 33,105,801.61/9,091.20
  6. Step 6: Final answer
    x = 3,641.52

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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.