Home / 11,343.24-17,014.76-3,947.68

Finding the Fourth Proportional to 11,343.24, 17,014.76 and 3,947.68

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Solution

The fourth proportional to 11,343.24, 17,014.76 and 3,947.68 is: 5,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.24 : 17,014.76 = 3,947.68 : x
  2. Step 2: Convert to fraction form
    11,343.24/17,014.76 = 3,947.68/x
  3. Step 3: Cross multiply
    11,343.24x = 17,014.76 × 3,947.68
  4. Step 4: Simplify right side
    11,343.24x = 67,168,827.76
  5. Step 5: Solve for x
    x = 67,168,827.76/11,343.24
  6. Step 6: Final answer
    x = 5,921.49

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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.