Home / 10,926.57-15,081.08-6,679.11

Finding the Fourth Proportional to 10,926.57, 15,081.08 and 6,679.11

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Solution

The fourth proportional to 10,926.57, 15,081.08 and 6,679.11 is: 9,218.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.57 : 15,081.08 = 6,679.11 : x
  2. Step 2: Convert to fraction form
    10,926.57/15,081.08 = 6,679.11/x
  3. Step 3: Cross multiply
    10,926.57x = 15,081.08 × 6,679.11
  4. Step 4: Simplify right side
    10,926.57x = 100,728,158.84
  5. Step 5: Solve for x
    x = 100,728,158.84/10,926.57
  6. Step 6: Final answer
    x = 9,218.64

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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.