Home / 7,943.52-11,909.60-3,499.04

Finding the Fourth Proportional to 7,943.52, 11,909.60 and 3,499.04

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Solution

The fourth proportional to 7,943.52, 11,909.60 and 3,499.04 is: 5,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.52 : 11,909.60 = 3,499.04 : x
  2. Step 2: Convert to fraction form
    7,943.52/11,909.60 = 3,499.04/x
  3. Step 3: Cross multiply
    7,943.52x = 11,909.60 × 3,499.04
  4. Step 4: Simplify right side
    7,943.52x = 41,672,166.78
  5. Step 5: Solve for x
    x = 41,672,166.78/7,943.52
  6. Step 6: Final answer
    x = 5,246.06

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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.