Home / 10,407.24-15,611.70-3,481.76

Finding the Fourth Proportional to 10,407.24, 15,611.70 and 3,481.76

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Solution

The fourth proportional to 10,407.24, 15,611.70 and 3,481.76 is: 5,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.24 : 15,611.70 = 3,481.76 : x
  2. Step 2: Convert to fraction form
    10,407.24/15,611.70 = 3,481.76/x
  3. Step 3: Cross multiply
    10,407.24x = 15,611.70 × 3,481.76
  4. Step 4: Simplify right side
    10,407.24x = 54,356,192.59
  5. Step 5: Solve for x
    x = 54,356,192.59/10,407.24
  6. Step 6: Final answer
    x = 5,222.92

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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.