Home / 12,251.36-18,370.08-11,206.46

Finding the Fourth Proportional to 12,251.36, 18,370.08 and 11,206.46

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Solution

The fourth proportional to 12,251.36, 18,370.08 and 11,206.46 is: 16,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.36 : 18,370.08 = 11,206.46 : x
  2. Step 2: Convert to fraction form
    12,251.36/18,370.08 = 11,206.46/x
  3. Step 3: Cross multiply
    12,251.36x = 18,370.08 × 11,206.46
  4. Step 4: Simplify right side
    12,251.36x = 205,863,566.72
  5. Step 5: Solve for x
    x = 205,863,566.72/12,251.36
  6. Step 6: Final answer
    x = 16,803.32

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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.