Home / 8,463.42-11,677.86-5,317.79

Finding the Fourth Proportional to 8,463.42, 11,677.86 and 5,317.79

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Solution

The fourth proportional to 8,463.42, 11,677.86 and 5,317.79 is: 7,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.42 : 11,677.86 = 5,317.79 : x
  2. Step 2: Convert to fraction form
    8,463.42/11,677.86 = 5,317.79/x
  3. Step 3: Cross multiply
    8,463.42x = 11,677.86 × 5,317.79
  4. Step 4: Simplify right side
    8,463.42x = 62,100,407.13
  5. Step 5: Solve for x
    x = 62,100,407.13/8,463.42
  6. Step 6: Final answer
    x = 7,337.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.