Home / 10,086.96-13,917.90-6,108.36

Finding the Fourth Proportional to 10,086.96, 13,917.90 and 6,108.36

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Solution

The fourth proportional to 10,086.96, 13,917.90 and 6,108.36 is: 8,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.96 : 13,917.90 = 6,108.36 : x
  2. Step 2: Convert to fraction form
    10,086.96/13,917.90 = 6,108.36/x
  3. Step 3: Cross multiply
    10,086.96x = 13,917.90 × 6,108.36
  4. Step 4: Simplify right side
    10,086.96x = 85,015,543.64
  5. Step 5: Solve for x
    x = 85,015,543.64/10,086.96
  6. Step 6: Final answer
    x = 8,428.26

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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.