Home / 12,079.86-16,669.08-6,773.55

Finding the Fourth Proportional to 12,079.86, 16,669.08 and 6,773.55

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Solution

The fourth proportional to 12,079.86, 16,669.08 and 6,773.55 is: 9,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.86 : 16,669.08 = 6,773.55 : x
  2. Step 2: Convert to fraction form
    12,079.86/16,669.08 = 6,773.55/x
  3. Step 3: Cross multiply
    12,079.86x = 16,669.08 × 6,773.55
  4. Step 4: Simplify right side
    12,079.86x = 112,908,846.83
  5. Step 5: Solve for x
    x = 112,908,846.83/12,079.86
  6. Step 6: Final answer
    x = 9,346.87

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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.