Home / 8,974.80-12,383.28-5,829.84

Finding the Fourth Proportional to 8,974.80, 12,383.28 and 5,829.84

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Solution

The fourth proportional to 8,974.80, 12,383.28 and 5,829.84 is: 8,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.80 : 12,383.28 = 5,829.84 : x
  2. Step 2: Convert to fraction form
    8,974.80/12,383.28 = 5,829.84/x
  3. Step 3: Cross multiply
    8,974.80x = 12,383.28 × 5,829.84
  4. Step 4: Simplify right side
    8,974.80x = 72,192,541.08
  5. Step 5: Solve for x
    x = 72,192,541.08/8,974.80
  6. Step 6: Final answer
    x = 8,043.92

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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.