Home / 7,337.40-10,986.66-3,867.36

Finding the Fourth Proportional to 7,337.40, 10,986.66 and 3,867.36

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Solution

The fourth proportional to 7,337.40, 10,986.66 and 3,867.36 is: 5,790.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.40 : 10,986.66 = 3,867.36 : x
  2. Step 2: Convert to fraction form
    7,337.40/10,986.66 = 3,867.36/x
  3. Step 3: Cross multiply
    7,337.40x = 10,986.66 × 3,867.36
  4. Step 4: Simplify right side
    7,337.40x = 42,489,369.42
  5. Step 5: Solve for x
    x = 42,489,369.42/7,337.40
  6. Step 6: Final answer
    x = 5,790.79

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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.