Home / 12,868.68-19,304.46-4,101.60

Finding the Fourth Proportional to 12,868.68, 19,304.46 and 4,101.60

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Solution

The fourth proportional to 12,868.68, 19,304.46 and 4,101.60 is: 6,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.68 : 19,304.46 = 4,101.60 : x
  2. Step 2: Convert to fraction form
    12,868.68/19,304.46 = 4,101.60/x
  3. Step 3: Cross multiply
    12,868.68x = 19,304.46 × 4,101.60
  4. Step 4: Simplify right side
    12,868.68x = 79,179,056.11
  5. Step 5: Solve for x
    x = 79,179,056.11/12,868.68
  6. Step 6: Final answer
    x = 6,152.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.