Home / 11,560.38-17,343.81-4,639.74

Finding the Fourth Proportional to 11,560.38, 17,343.81 and 4,639.74

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Solution

The fourth proportional to 11,560.38, 17,343.81 and 4,639.74 is: 6,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,560.38 : 17,343.81 = 4,639.74 : x
  2. Step 2: Convert to fraction form
    11,560.38/17,343.81 = 4,639.74/x
  3. Step 3: Cross multiply
    11,560.38x = 17,343.81 × 4,639.74
  4. Step 4: Simplify right side
    11,560.38x = 80,470,769.01
  5. Step 5: Solve for x
    x = 80,470,769.01/11,560.38
  6. Step 6: Final answer
    x = 6,960.91

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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.