Home / 7,608.18-11,416.86-2,681.49

Finding the Fourth Proportional to 7,608.18, 11,416.86 and 2,681.49

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Solution

The fourth proportional to 7,608.18, 11,416.86 and 2,681.49 is: 4,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.18 : 11,416.86 = 2,681.49 : x
  2. Step 2: Convert to fraction form
    7,608.18/11,416.86 = 2,681.49/x
  3. Step 3: Cross multiply
    7,608.18x = 11,416.86 × 2,681.49
  4. Step 4: Simplify right side
    7,608.18x = 30,614,195.92
  5. Step 5: Solve for x
    x = 30,614,195.92/7,608.18
  6. Step 6: Final answer
    x = 4,023.85

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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.