Home / 8,648.97-11,930.61-5,461.14

Finding the Fourth Proportional to 8,648.97, 11,930.61 and 5,461.14

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Solution

The fourth proportional to 8,648.97, 11,930.61 and 5,461.14 is: 7,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,648.97 : 11,930.61 = 5,461.14 : x
  2. Step 2: Convert to fraction form
    8,648.97/11,930.61 = 5,461.14/x
  3. Step 3: Cross multiply
    8,648.97x = 11,930.61 × 5,461.14
  4. Step 4: Simplify right side
    8,648.97x = 65,154,671.84
  5. Step 5: Solve for x
    x = 65,154,671.84/8,648.97
  6. Step 6: Final answer
    x = 7,533.23

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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.