Home / 12,026.27-16,586.57-7,778.03

Finding the Fourth Proportional to 12,026.27, 16,586.57 and 7,778.03

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Solution

The fourth proportional to 12,026.27, 16,586.57 and 7,778.03 is: 10,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.27 : 16,586.57 = 7,778.03 : x
  2. Step 2: Convert to fraction form
    12,026.27/16,586.57 = 7,778.03/x
  3. Step 3: Cross multiply
    12,026.27x = 16,586.57 × 7,778.03
  4. Step 4: Simplify right side
    12,026.27x = 129,010,775.57
  5. Step 5: Solve for x
    x = 129,010,775.57/12,026.27
  6. Step 6: Final answer
    x = 10,727.41

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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.