Home / 10,179.70-15,260.89-4,631.10

Finding the Fourth Proportional to 10,179.70, 15,260.89 and 4,631.10

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Solution

The fourth proportional to 10,179.70, 15,260.89 and 4,631.10 is: 6,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.70 : 15,260.89 = 4,631.10 : x
  2. Step 2: Convert to fraction form
    10,179.70/15,260.89 = 4,631.10/x
  3. Step 3: Cross multiply
    10,179.70x = 15,260.89 × 4,631.10
  4. Step 4: Simplify right side
    10,179.70x = 70,674,707.68
  5. Step 5: Solve for x
    x = 70,674,707.68/10,179.70
  6. Step 6: Final answer
    x = 6,942.71

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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.