Home / 11,985.54-16,540.12-6,952.76

Finding the Fourth Proportional to 11,985.54, 16,540.12 and 6,952.76

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Solution

The fourth proportional to 11,985.54, 16,540.12 and 6,952.76 is: 9,594.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.54 : 16,540.12 = 6,952.76 : x
  2. Step 2: Convert to fraction form
    11,985.54/16,540.12 = 6,952.76/x
  3. Step 3: Cross multiply
    11,985.54x = 16,540.12 × 6,952.76
  4. Step 4: Simplify right side
    11,985.54x = 114,999,538.82
  5. Step 5: Solve for x
    x = 114,999,538.82/11,985.54
  6. Step 6: Final answer
    x = 9,594.85

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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.