Home / 12,040.06-16,623.07-10,778.94

Finding the Fourth Proportional to 12,040.06, 16,623.07 and 10,778.94

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Solution

The fourth proportional to 12,040.06, 16,623.07 and 10,778.94 is: 14,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.06 : 16,623.07 = 10,778.94 : x
  2. Step 2: Convert to fraction form
    12,040.06/16,623.07 = 10,778.94/x
  3. Step 3: Cross multiply
    12,040.06x = 16,623.07 × 10,778.94
  4. Step 4: Simplify right side
    12,040.06x = 179,179,074.15
  5. Step 5: Solve for x
    x = 179,179,074.15/12,040.06
  6. Step 6: Final answer
    x = 14,881.91

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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.