Home / 11,964.18-16,510.32-6,658.68

Finding the Fourth Proportional to 11,964.18, 16,510.32 and 6,658.68

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Solution

The fourth proportional to 11,964.18, 16,510.32 and 6,658.68 is: 9,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.18 : 16,510.32 = 6,658.68 : x
  2. Step 2: Convert to fraction form
    11,964.18/16,510.32 = 6,658.68/x
  3. Step 3: Cross multiply
    11,964.18x = 16,510.32 × 6,658.68
  4. Step 4: Simplify right side
    11,964.18x = 109,936,937.58
  5. Step 5: Solve for x
    x = 109,936,937.58/11,964.18
  6. Step 6: Final answer
    x = 9,188.84

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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.