Home / 10,471.28-15,709.22-3,451.01

Finding the Fourth Proportional to 10,471.28, 15,709.22 and 3,451.01

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Solution

The fourth proportional to 10,471.28, 15,709.22 and 3,451.01 is: 5,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.28 : 15,709.22 = 3,451.01 : x
  2. Step 2: Convert to fraction form
    10,471.28/15,709.22 = 3,451.01/x
  3. Step 3: Cross multiply
    10,471.28x = 15,709.22 × 3,451.01
  4. Step 4: Simplify right side
    10,471.28x = 54,212,605.39
  5. Step 5: Solve for x
    x = 54,212,605.39/10,471.28
  6. Step 6: Final answer
    x = 5,177.27

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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.