Home / 10,211.77-14,081.87-9,616.48

Finding the Fourth Proportional to 10,211.77, 14,081.87 and 9,616.48

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Solution

The fourth proportional to 10,211.77, 14,081.87 and 9,616.48 is: 13,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.77 : 14,081.87 = 9,616.48 : x
  2. Step 2: Convert to fraction form
    10,211.77/14,081.87 = 9,616.48/x
  3. Step 3: Cross multiply
    10,211.77x = 14,081.87 × 9,616.48
  4. Step 4: Simplify right side
    10,211.77x = 135,417,902.73
  5. Step 5: Solve for x
    x = 135,417,902.73/10,211.77
  6. Step 6: Final answer
    x = 13,260.97

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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.