Home / 10,012.14-13,816.84-5,535.97

Finding the Fourth Proportional to 10,012.14, 13,816.84 and 5,535.97

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Solution

The fourth proportional to 10,012.14, 13,816.84 and 5,535.97 is: 7,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.14 : 13,816.84 = 5,535.97 : x
  2. Step 2: Convert to fraction form
    10,012.14/13,816.84 = 5,535.97/x
  3. Step 3: Cross multiply
    10,012.14x = 13,816.84 × 5,535.97
  4. Step 4: Simplify right side
    10,012.14x = 76,489,611.73
  5. Step 5: Solve for x
    x = 76,489,611.73/10,012.14
  6. Step 6: Final answer
    x = 7,639.69

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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.