Home / 8,557.17-11,793.48-6,195.21

Finding the Fourth Proportional to 8,557.17, 11,793.48 and 6,195.21

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Solution

The fourth proportional to 8,557.17, 11,793.48 and 6,195.21 is: 8,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.17 : 11,793.48 = 6,195.21 : x
  2. Step 2: Convert to fraction form
    8,557.17/11,793.48 = 6,195.21/x
  3. Step 3: Cross multiply
    8,557.17x = 11,793.48 × 6,195.21
  4. Step 4: Simplify right side
    8,557.17x = 73,063,085.23
  5. Step 5: Solve for x
    x = 73,063,085.23/8,557.17
  6. Step 6: Final answer
    x = 8,538.23

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Double scale
Find fourth proportional to 8,558.17, 11,794.86 and 6,196.21
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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.