Home / 7,708.68-11,558.16-4,248.36

Finding the Fourth Proportional to 7,708.68, 11,558.16 and 4,248.36

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Solution

The fourth proportional to 7,708.68, 11,558.16 and 4,248.36 is: 6,369.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.68 : 11,558.16 = 4,248.36 : x
  2. Step 2: Convert to fraction form
    7,708.68/11,558.16 = 4,248.36/x
  3. Step 3: Cross multiply
    7,708.68x = 11,558.16 × 4,248.36
  4. Step 4: Simplify right side
    7,708.68x = 49,103,224.62
  5. Step 5: Solve for x
    x = 49,103,224.62/7,708.68
  6. Step 6: Final answer
    x = 6,369.86

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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.