Home / 7,407.10-11,110.89-3,245.02

Finding the Fourth Proportional to 7,407.10, 11,110.89 and 3,245.02

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Solution

The fourth proportional to 7,407.10, 11,110.89 and 3,245.02 is: 4,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.10 : 11,110.89 = 3,245.02 : x
  2. Step 2: Convert to fraction form
    7,407.10/11,110.89 = 3,245.02/x
  3. Step 3: Cross multiply
    7,407.10x = 11,110.89 × 3,245.02
  4. Step 4: Simplify right side
    7,407.10x = 36,055,060.27
  5. Step 5: Solve for x
    x = 36,055,060.27/7,407.10
  6. Step 6: Final answer
    x = 4,867.64

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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.