Home / 8,632.72-11,913.20-5,097.68

Finding the Fourth Proportional to 8,632.72, 11,913.20 and 5,097.68

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Solution

The fourth proportional to 8,632.72, 11,913.20 and 5,097.68 is: 7,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.72 : 11,913.20 = 5,097.68 : x
  2. Step 2: Convert to fraction form
    8,632.72/11,913.20 = 5,097.68/x
  3. Step 3: Cross multiply
    8,632.72x = 11,913.20 × 5,097.68
  4. Step 4: Simplify right side
    8,632.72x = 60,729,634.55
  5. Step 5: Solve for x
    x = 60,729,634.55/8,632.72
  6. Step 6: Final answer
    x = 7,034.82

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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.