Home / 11,985.85-16,541.35-6,951.79

Finding the Fourth Proportional to 11,985.85, 16,541.35 and 6,951.79

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Solution

The fourth proportional to 11,985.85, 16,541.35 and 6,951.79 is: 9,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.85 : 16,541.35 = 6,951.79 : x
  2. Step 2: Convert to fraction form
    11,985.85/16,541.35 = 6,951.79/x
  3. Step 3: Cross multiply
    11,985.85x = 16,541.35 × 6,951.79
  4. Step 4: Simplify right side
    11,985.85x = 114,991,932.78
  5. Step 5: Solve for x
    x = 114,991,932.78/11,985.85
  6. Step 6: Final answer
    x = 9,593.98

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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.