Home / 7,407.24-11,113.92-3,245.12

Finding the Fourth Proportional to 7,407.24, 11,113.92 and 3,245.12

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Solution

The fourth proportional to 7,407.24, 11,113.92 and 3,245.12 is: 4,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.24 : 11,113.92 = 3,245.12 : x
  2. Step 2: Convert to fraction form
    7,407.24/11,113.92 = 3,245.12/x
  3. Step 3: Cross multiply
    7,407.24x = 11,113.92 × 3,245.12
  4. Step 4: Simplify right side
    7,407.24x = 36,066,004.07
  5. Step 5: Solve for x
    x = 36,066,004.07/7,407.24
  6. Step 6: Final answer
    x = 4,869.02

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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.