Home / 7,459.90-11,194.92-3,949.76

Finding the Fourth Proportional to 7,459.90, 11,194.92 and 3,949.76

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Solution

The fourth proportional to 7,459.90, 11,194.92 and 3,949.76 is: 5,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.90 : 11,194.92 = 3,949.76 : x
  2. Step 2: Convert to fraction form
    7,459.90/11,194.92 = 3,949.76/x
  3. Step 3: Cross multiply
    7,459.90x = 11,194.92 × 3,949.76
  4. Step 4: Simplify right side
    7,459.90x = 44,217,247.22
  5. Step 5: Solve for x
    x = 44,217,247.22/7,459.90
  6. Step 6: Final answer
    x = 5,927.32

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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.