Home / 8,117.90-11,199.70-5,998.54

Finding the Fourth Proportional to 8,117.90, 11,199.70 and 5,998.54

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Solution

The fourth proportional to 8,117.90, 11,199.70 and 5,998.54 is: 8,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.90 : 11,199.70 = 5,998.54 : x
  2. Step 2: Convert to fraction form
    8,117.90/11,199.70 = 5,998.54/x
  3. Step 3: Cross multiply
    8,117.90x = 11,199.70 × 5,998.54
  4. Step 4: Simplify right side
    8,117.90x = 67,181,848.44
  5. Step 5: Solve for x
    x = 67,181,848.44/8,117.90
  6. Step 6: Final answer
    x = 8,275.77

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Double scale
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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.