Home / 11,600.15-16,002.56-6,881.09

Finding the Fourth Proportional to 11,600.15, 16,002.56 and 6,881.09

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Solution

The fourth proportional to 11,600.15, 16,002.56 and 6,881.09 is: 9,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,600.15 : 16,002.56 = 6,881.09 : x
  2. Step 2: Convert to fraction form
    11,600.15/16,002.56 = 6,881.09/x
  3. Step 3: Cross multiply
    11,600.15x = 16,002.56 × 6,881.09
  4. Step 4: Simplify right side
    11,600.15x = 110,114,992.78
  5. Step 5: Solve for x
    x = 110,114,992.78/11,600.15
  6. Step 6: Final answer
    x = 9,492.55

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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.