Home / 8,695.26-13,040.28-2,453.76

Finding the Fourth Proportional to 8,695.26, 13,040.28 and 2,453.76

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Solution

The fourth proportional to 8,695.26, 13,040.28 and 2,453.76 is: 3,679.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.26 : 13,040.28 = 2,453.76 : x
  2. Step 2: Convert to fraction form
    8,695.26/13,040.28 = 2,453.76/x
  3. Step 3: Cross multiply
    8,695.26x = 13,040.28 × 2,453.76
  4. Step 4: Simplify right side
    8,695.26x = 31,997,717.45
  5. Step 5: Solve for x
    x = 31,997,717.45/8,695.26
  6. Step 6: Final answer
    x = 3,679.90

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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.