Home / 6,448.16-9,685.20-5,634.92

Finding the Fourth Proportional to 6,448.16, 9,685.20 and 5,634.92

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Solution

The fourth proportional to 6,448.16, 9,685.20 and 5,634.92 is: 8,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.16 : 9,685.20 = 5,634.92 : x
  2. Step 2: Convert to fraction form
    6,448.16/9,685.20 = 5,634.92/x
  3. Step 3: Cross multiply
    6,448.16x = 9,685.20 × 5,634.92
  4. Step 4: Simplify right side
    6,448.16x = 54,575,327.18
  5. Step 5: Solve for x
    x = 54,575,327.18/6,448.16
  6. Step 6: Final answer
    x = 8,463.71

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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.