Home / 7,337.28-11,011.86-6,309.48

Finding the Fourth Proportional to 7,337.28, 11,011.86 and 6,309.48

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Solution

The fourth proportional to 7,337.28, 11,011.86 and 6,309.48 is: 9,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.28 : 11,011.86 = 6,309.48 : x
  2. Step 2: Convert to fraction form
    7,337.28/11,011.86 = 6,309.48/x
  3. Step 3: Cross multiply
    7,337.28x = 11,011.86 × 6,309.48
  4. Step 4: Simplify right side
    7,337.28x = 69,479,110.43
  5. Step 5: Solve for x
    x = 69,479,110.43/7,337.28
  6. Step 6: Final answer
    x = 9,469.33

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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.