Home / 12,056.09-16,645.14-8,278.04

Finding the Fourth Proportional to 12,056.09, 16,645.14 and 8,278.04

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Solution

The fourth proportional to 12,056.09, 16,645.14 and 8,278.04 is: 11,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.09 : 16,645.14 = 8,278.04 : x
  2. Step 2: Convert to fraction form
    12,056.09/16,645.14 = 8,278.04/x
  3. Step 3: Cross multiply
    12,056.09x = 16,645.14 × 8,278.04
  4. Step 4: Simplify right side
    12,056.09x = 137,789,134.73
  5. Step 5: Solve for x
    x = 137,789,134.73/12,056.09
  6. Step 6: Final answer
    x = 11,429.01

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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.