Home / 10,291.17-15,436.74-2,499.97

Finding the Fourth Proportional to 10,291.17, 15,436.74 and 2,499.97

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Solution

The fourth proportional to 10,291.17, 15,436.74 and 2,499.97 is: 3,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.17 : 15,436.74 = 2,499.97 : x
  2. Step 2: Convert to fraction form
    10,291.17/15,436.74 = 2,499.97/x
  3. Step 3: Cross multiply
    10,291.17x = 15,436.74 × 2,499.97
  4. Step 4: Simplify right side
    10,291.17x = 38,591,386.90
  5. Step 5: Solve for x
    x = 38,591,386.90/10,291.17
  6. Step 6: Final answer
    x = 3,749.95

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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.