Home / 10,881.15-15,015.09-6,100.39

Finding the Fourth Proportional to 10,881.15, 15,015.09 and 6,100.39

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Solution

The fourth proportional to 10,881.15, 15,015.09 and 6,100.39 is: 8,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.15 : 15,015.09 = 6,100.39 : x
  2. Step 2: Convert to fraction form
    10,881.15/15,015.09 = 6,100.39/x
  3. Step 3: Cross multiply
    10,881.15x = 15,015.09 × 6,100.39
  4. Step 4: Simplify right side
    10,881.15x = 91,597,904.89
  5. Step 5: Solve for x
    x = 91,597,904.89/10,881.15
  6. Step 6: Final answer
    x = 8,418.04

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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.