Home / 11,990.61-16,546.78-6,955.27

Finding the Fourth Proportional to 11,990.61, 16,546.78 and 6,955.27

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Solution

The fourth proportional to 11,990.61, 16,546.78 and 6,955.27 is: 9,598.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,990.61 : 16,546.78 = 6,955.27 : x
  2. Step 2: Convert to fraction form
    11,990.61/16,546.78 = 6,955.27/x
  3. Step 3: Cross multiply
    11,990.61x = 16,546.78 × 6,955.27
  4. Step 4: Simplify right side
    11,990.61x = 115,087,289.86
  5. Step 5: Solve for x
    x = 115,087,289.86/11,990.61
  6. Step 6: Final answer
    x = 9,598.12

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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.