Home / 10,186.20-15,266.97-4,631.92

Finding the Fourth Proportional to 10,186.20, 15,266.97 and 4,631.92

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Solution

The fourth proportional to 10,186.20, 15,266.97 and 4,631.92 is: 6,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.20 : 15,266.97 = 4,631.92 : x
  2. Step 2: Convert to fraction form
    10,186.20/15,266.97 = 4,631.92/x
  3. Step 3: Cross multiply
    10,186.20x = 15,266.97 × 4,631.92
  4. Step 4: Simplify right side
    10,186.20x = 70,715,345.51
  5. Step 5: Solve for x
    x = 70,715,345.51/10,186.20
  6. Step 6: Final answer
    x = 6,942.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.