Home / 10,434.56-15,652.24-2,643.57

Finding the Fourth Proportional to 10,434.56, 15,652.24 and 2,643.57

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Solution

The fourth proportional to 10,434.56, 15,652.24 and 2,643.57 is: 3,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.56 : 15,652.24 = 2,643.57 : x
  2. Step 2: Convert to fraction form
    10,434.56/15,652.24 = 2,643.57/x
  3. Step 3: Cross multiply
    10,434.56x = 15,652.24 × 2,643.57
  4. Step 4: Simplify right side
    10,434.56x = 41,377,785.49
  5. Step 5: Solve for x
    x = 41,377,785.49/10,434.56
  6. Step 6: Final answer
    x = 3,965.46

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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.