Home / 8,685.33-13,024.13-2,760.54

Finding the Fourth Proportional to 8,685.33, 13,024.13 and 2,760.54

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Solution

The fourth proportional to 8,685.33, 13,024.13 and 2,760.54 is: 4,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.33 : 13,024.13 = 2,760.54 : x
  2. Step 2: Convert to fraction form
    8,685.33/13,024.13 = 2,760.54/x
  3. Step 3: Cross multiply
    8,685.33x = 13,024.13 × 2,760.54
  4. Step 4: Simplify right side
    8,685.33x = 35,953,618.03
  5. Step 5: Solve for x
    x = 35,953,618.03/8,685.33
  6. Step 6: Final answer
    x = 4,139.58

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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.