Home / 8,180.49-11,292.54-5,531.49

Finding the Fourth Proportional to 8,180.49, 11,292.54 and 5,531.49

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Solution

The fourth proportional to 8,180.49, 11,292.54 and 5,531.49 is: 7,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.49 : 11,292.54 = 5,531.49 : x
  2. Step 2: Convert to fraction form
    8,180.49/11,292.54 = 5,531.49/x
  3. Step 3: Cross multiply
    8,180.49x = 11,292.54 × 5,531.49
  4. Step 4: Simplify right side
    8,180.49x = 62,464,572.08
  5. Step 5: Solve for x
    x = 62,464,572.08/8,180.49
  6. Step 6: Final answer
    x = 7,635.80

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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.