Home / 11,338.56-17,001.14-3,438.68

Finding the Fourth Proportional to 11,338.56, 17,001.14 and 3,438.68

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Solution

The fourth proportional to 11,338.56, 17,001.14 and 3,438.68 is: 5,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.56 : 17,001.14 = 3,438.68 : x
  2. Step 2: Convert to fraction form
    11,338.56/17,001.14 = 3,438.68/x
  3. Step 3: Cross multiply
    11,338.56x = 17,001.14 × 3,438.68
  4. Step 4: Simplify right side
    11,338.56x = 58,461,377.90
  5. Step 5: Solve for x
    x = 58,461,377.90/11,338.56
  6. Step 6: Final answer
    x = 5,155.98

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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.