Home / 12,177.55-16,805.00-6,588.55

Finding the Fourth Proportional to 12,177.55, 16,805.00 and 6,588.55

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Solution

The fourth proportional to 12,177.55, 16,805.00 and 6,588.55 is: 9,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.55 : 16,805.00 = 6,588.55 : x
  2. Step 2: Convert to fraction form
    12,177.55/16,805.00 = 6,588.55/x
  3. Step 3: Cross multiply
    12,177.55x = 16,805.00 × 6,588.55
  4. Step 4: Simplify right side
    12,177.55x = 110,720,557.21
  5. Step 5: Solve for x
    x = 110,720,557.21/12,177.55
  6. Step 6: Final answer
    x = 9,092.19

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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.