Home / 12,178.08-16,805.60-6,588.96

Finding the Fourth Proportional to 12,178.08, 16,805.60 and 6,588.96

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Solution

The fourth proportional to 12,178.08, 16,805.60 and 6,588.96 is: 9,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.08 : 16,805.60 = 6,588.96 : x
  2. Step 2: Convert to fraction form
    12,178.08/16,805.60 = 6,588.96/x
  3. Step 3: Cross multiply
    12,178.08x = 16,805.60 × 6,588.96
  4. Step 4: Simplify right side
    12,178.08x = 110,731,426.18
  5. Step 5: Solve for x
    x = 110,731,426.18/12,178.08
  6. Step 6: Final answer
    x = 9,092.68

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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.