Home / 7,150.60-9,867.18-4,168.36

Finding the Fourth Proportional to 7,150.60, 9,867.18 and 4,168.36

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Solution

The fourth proportional to 7,150.60, 9,867.18 and 4,168.36 is: 5,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.60 : 9,867.18 = 4,168.36 : x
  2. Step 2: Convert to fraction form
    7,150.60/9,867.18 = 4,168.36/x
  3. Step 3: Cross multiply
    7,150.60x = 9,867.18 × 4,168.36
  4. Step 4: Simplify right side
    7,150.60x = 41,129,958.42
  5. Step 5: Solve for x
    x = 41,129,958.42/7,150.60
  6. Step 6: Final answer
    x = 5,751.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.