Home / 7,682.23-11,513.62-5,210.92

Finding the Fourth Proportional to 7,682.23, 11,513.62 and 5,210.92

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Solution

The fourth proportional to 7,682.23, 11,513.62 and 5,210.92 is: 7,809.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.23 : 11,513.62 = 5,210.92 : x
  2. Step 2: Convert to fraction form
    7,682.23/11,513.62 = 5,210.92/x
  3. Step 3: Cross multiply
    7,682.23x = 11,513.62 × 5,210.92
  4. Step 4: Simplify right side
    7,682.23x = 59,996,552.73
  5. Step 5: Solve for x
    x = 59,996,552.73/7,682.23
  6. Step 6: Final answer
    x = 7,809.78

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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.