Home / 7,382.79-10,179.81-4,864.10

Finding the Fourth Proportional to 7,382.79, 10,179.81 and 4,864.10

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Solution

The fourth proportional to 7,382.79, 10,179.81 and 4,864.10 is: 6,706.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.79 : 10,179.81 = 4,864.10 : x
  2. Step 2: Convert to fraction form
    7,382.79/10,179.81 = 4,864.10/x
  3. Step 3: Cross multiply
    7,382.79x = 10,179.81 × 4,864.10
  4. Step 4: Simplify right side
    7,382.79x = 49,515,562.92
  5. Step 5: Solve for x
    x = 49,515,562.92/7,382.79
  6. Step 6: Final answer
    x = 6,706.89

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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.