Home / 11,964.10-16,510.65-6,659.14

Finding the Fourth Proportional to 11,964.10, 16,510.65 and 6,659.14

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Solution

The fourth proportional to 11,964.10, 16,510.65 and 6,659.14 is: 9,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.10 : 16,510.65 = 6,659.14 : x
  2. Step 2: Convert to fraction form
    11,964.10/16,510.65 = 6,659.14/x
  3. Step 3: Cross multiply
    11,964.10x = 16,510.65 × 6,659.14
  4. Step 4: Simplify right side
    11,964.10x = 109,946,729.84
  5. Step 5: Solve for x
    x = 109,946,729.84/11,964.10
  6. Step 6: Final answer
    x = 9,189.72

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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.