Home / 11,964.36-16,510.68-6,659.76

Finding the Fourth Proportional to 11,964.36, 16,510.68 and 6,659.76

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Solution

The fourth proportional to 11,964.36, 16,510.68 and 6,659.76 is: 9,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.36 : 16,510.68 = 6,659.76 : x
  2. Step 2: Convert to fraction form
    11,964.36/16,510.68 = 6,659.76/x
  3. Step 3: Cross multiply
    11,964.36x = 16,510.68 × 6,659.76
  4. Step 4: Simplify right side
    11,964.36x = 109,957,166.24
  5. Step 5: Solve for x
    x = 109,957,166.24/11,964.36
  6. Step 6: Final answer
    x = 9,190.39

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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.