Home / 12,968.66-19,456.06-4,203.56

Finding the Fourth Proportional to 12,968.66, 19,456.06 and 4,203.56

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Solution

The fourth proportional to 12,968.66, 19,456.06 and 4,203.56 is: 6,306.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.66 : 19,456.06 = 4,203.56 : x
  2. Step 2: Convert to fraction form
    12,968.66/19,456.06 = 4,203.56/x
  3. Step 3: Cross multiply
    12,968.66x = 19,456.06 × 4,203.56
  4. Step 4: Simplify right side
    12,968.66x = 81,784,715.57
  5. Step 5: Solve for x
    x = 81,784,715.57/12,968.66
  6. Step 6: Final answer
    x = 6,306.34

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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.