Home / 7,544.16-11,319.12-3,161.04

Finding the Fourth Proportional to 7,544.16, 11,319.12 and 3,161.04

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Solution

The fourth proportional to 7,544.16, 11,319.12 and 3,161.04 is: 4,742.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.16 : 11,319.12 = 3,161.04 : x
  2. Step 2: Convert to fraction form
    7,544.16/11,319.12 = 3,161.04/x
  3. Step 3: Cross multiply
    7,544.16x = 11,319.12 × 3,161.04
  4. Step 4: Simplify right side
    7,544.16x = 35,780,191.08
  5. Step 5: Solve for x
    x = 35,780,191.08/7,544.16
  6. Step 6: Final answer
    x = 4,742.77

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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.