Home / 12,150.40-16,766.52-7,433.92

Finding the Fourth Proportional to 12,150.40, 16,766.52 and 7,433.92

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Solution

The fourth proportional to 12,150.40, 16,766.52 and 7,433.92 is: 10,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.40 : 16,766.52 = 7,433.92 : x
  2. Step 2: Convert to fraction form
    12,150.40/16,766.52 = 7,433.92/x
  3. Step 3: Cross multiply
    12,150.40x = 16,766.52 × 7,433.92
  4. Step 4: Simplify right side
    12,150.40x = 124,640,968.36
  5. Step 5: Solve for x
    x = 124,640,968.36/12,150.40
  6. Step 6: Final answer
    x = 10,258.18

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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.