Home / 11,680.29-16,118.18-6,375.01

Finding the Fourth Proportional to 11,680.29, 16,118.18 and 6,375.01

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Solution

The fourth proportional to 11,680.29, 16,118.18 and 6,375.01 is: 8,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.29 : 16,118.18 = 6,375.01 : x
  2. Step 2: Convert to fraction form
    11,680.29/16,118.18 = 6,375.01/x
  3. Step 3: Cross multiply
    11,680.29x = 16,118.18 × 6,375.01
  4. Step 4: Simplify right side
    11,680.29x = 102,753,526.81
  5. Step 5: Solve for x
    x = 102,753,526.81/11,680.29
  6. Step 6: Final answer
    x = 8,797.18

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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.