Home / 11,587.51-17,373.07-8,255.76

Finding the Fourth Proportional to 11,587.51, 17,373.07 and 8,255.76

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Solution

The fourth proportional to 11,587.51, 17,373.07 and 8,255.76 is: 12,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.51 : 17,373.07 = 8,255.76 : x
  2. Step 2: Convert to fraction form
    11,587.51/17,373.07 = 8,255.76/x
  3. Step 3: Cross multiply
    11,587.51x = 17,373.07 × 8,255.76
  4. Step 4: Simplify right side
    11,587.51x = 143,427,896.38
  5. Step 5: Solve for x
    x = 143,427,896.38/11,587.51
  6. Step 6: Final answer
    x = 12,377.80

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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.