Home / 7,449.55-11,150.35-3,934.53

Finding the Fourth Proportional to 7,449.55, 11,150.35 and 3,934.53

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Solution

The fourth proportional to 7,449.55, 11,150.35 and 3,934.53 is: 5,889.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.55 : 11,150.35 = 3,934.53 : x
  2. Step 2: Convert to fraction form
    7,449.55/11,150.35 = 3,934.53/x
  3. Step 3: Cross multiply
    7,449.55x = 11,150.35 × 3,934.53
  4. Step 4: Simplify right side
    7,449.55x = 43,871,376.75
  5. Step 5: Solve for x
    x = 43,871,376.75/7,449.55
  6. Step 6: Final answer
    x = 5,889.13

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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.