Home / 7,383.40-11,077.56-3,488.92

Finding the Fourth Proportional to 7,383.40, 11,077.56 and 3,488.92

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Solution

The fourth proportional to 7,383.40, 11,077.56 and 3,488.92 is: 5,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.40 : 11,077.56 = 3,488.92 : x
  2. Step 2: Convert to fraction form
    7,383.40/11,077.56 = 3,488.92/x
  3. Step 3: Cross multiply
    7,383.40x = 11,077.56 × 3,488.92
  4. Step 4: Simplify right side
    7,383.40x = 38,648,720.64
  5. Step 5: Solve for x
    x = 38,648,720.64/7,383.40
  6. Step 6: Final answer
    x = 5,234.54

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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.