Home / 8,132.88-11,224.56-7,632.48

Finding the Fourth Proportional to 8,132.88, 11,224.56 and 7,632.48

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Solution

The fourth proportional to 8,132.88, 11,224.56 and 7,632.48 is: 10,533.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.88 : 11,224.56 = 7,632.48 : x
  2. Step 2: Convert to fraction form
    8,132.88/11,224.56 = 7,632.48/x
  3. Step 3: Cross multiply
    8,132.88x = 11,224.56 × 7,632.48
  4. Step 4: Simplify right side
    8,132.88x = 85,671,229.71
  5. Step 5: Solve for x
    x = 85,671,229.71/8,132.88
  6. Step 6: Final answer
    x = 10,533.94

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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.