Home / 7,110.29-10,665.49-4,660.62

Finding the Fourth Proportional to 7,110.29, 10,665.49 and 4,660.62

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Solution

The fourth proportional to 7,110.29, 10,665.49 and 4,660.62 is: 6,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.29 : 10,665.49 = 4,660.62 : x
  2. Step 2: Convert to fraction form
    7,110.29/10,665.49 = 4,660.62/x
  3. Step 3: Cross multiply
    7,110.29x = 10,665.49 × 4,660.62
  4. Step 4: Simplify right side
    7,110.29x = 49,707,801.83
  5. Step 5: Solve for x
    x = 49,707,801.83/7,110.29
  6. Step 6: Final answer
    x = 6,990.97

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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.