Home / 11,669.81-17,494.19-7,922.85

Finding the Fourth Proportional to 11,669.81, 17,494.19 and 7,922.85

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Solution

The fourth proportional to 11,669.81, 17,494.19 and 7,922.85 is: 11,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.81 : 17,494.19 = 7,922.85 : x
  2. Step 2: Convert to fraction form
    11,669.81/17,494.19 = 7,922.85/x
  3. Step 3: Cross multiply
    11,669.81x = 17,494.19 × 7,922.85
  4. Step 4: Simplify right side
    11,669.81x = 138,603,803.63
  5. Step 5: Solve for x
    x = 138,603,803.63/11,669.81
  6. Step 6: Final answer
    x = 11,877.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.