Home / 7,476.48-11,209.92-3,317.76

Finding the Fourth Proportional to 7,476.48, 11,209.92 and 3,317.76

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Solution

The fourth proportional to 7,476.48, 11,209.92 and 3,317.76 is: 4,974.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.48 : 11,209.92 = 3,317.76 : x
  2. Step 2: Convert to fraction form
    7,476.48/11,209.92 = 3,317.76/x
  3. Step 3: Cross multiply
    7,476.48x = 11,209.92 × 3,317.76
  4. Step 4: Simplify right side
    7,476.48x = 37,191,824.18
  5. Step 5: Solve for x
    x = 37,191,824.18/7,476.48
  6. Step 6: Final answer
    x = 4,974.51

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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.