Home / 11,569.95-17,357.67-4,179.78

Finding the Fourth Proportional to 11,569.95, 17,357.67 and 4,179.78

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Solution

The fourth proportional to 11,569.95, 17,357.67 and 4,179.78 is: 6,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,569.95 : 17,357.67 = 4,179.78 : x
  2. Step 2: Convert to fraction form
    11,569.95/17,357.67 = 4,179.78/x
  3. Step 3: Cross multiply
    11,569.95x = 17,357.67 × 4,179.78
  4. Step 4: Simplify right side
    11,569.95x = 72,551,241.91
  5. Step 5: Solve for x
    x = 72,551,241.91/11,569.95
  6. Step 6: Final answer
    x = 6,270.66

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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.