Home / 11,672.18-16,106.95-6,635.69

Finding the Fourth Proportional to 11,672.18, 16,106.95 and 6,635.69

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Solution

The fourth proportional to 11,672.18, 16,106.95 and 6,635.69 is: 9,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.18 : 16,106.95 = 6,635.69 : x
  2. Step 2: Convert to fraction form
    11,672.18/16,106.95 = 6,635.69/x
  3. Step 3: Cross multiply
    11,672.18x = 16,106.95 × 6,635.69
  4. Step 4: Simplify right side
    11,672.18x = 106,880,727.05
  5. Step 5: Solve for x
    x = 106,880,727.05/11,672.18
  6. Step 6: Final answer
    x = 9,156.88

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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.