Home / 11,362.80-15,680.35-6,326.83

Finding the Fourth Proportional to 11,362.80, 15,680.35 and 6,326.83

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Solution

The fourth proportional to 11,362.80, 15,680.35 and 6,326.83 is: 8,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.80 : 15,680.35 = 6,326.83 : x
  2. Step 2: Convert to fraction form
    11,362.80/15,680.35 = 6,326.83/x
  3. Step 3: Cross multiply
    11,362.80x = 15,680.35 × 6,326.83
  4. Step 4: Simplify right side
    11,362.80x = 99,206,908.79
  5. Step 5: Solve for x
    x = 99,206,908.79/11,362.80
  6. Step 6: Final answer
    x = 8,730.85

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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.