Home / 10,566.80-15,845.09-3,993.51

Finding the Fourth Proportional to 10,566.80, 15,845.09 and 3,993.51

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Solution

The fourth proportional to 10,566.80, 15,845.09 and 3,993.51 is: 5,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.80 : 15,845.09 = 3,993.51 : x
  2. Step 2: Convert to fraction form
    10,566.80/15,845.09 = 3,993.51/x
  3. Step 3: Cross multiply
    10,566.80x = 15,845.09 × 3,993.51
  4. Step 4: Simplify right side
    10,566.80x = 63,277,505.40
  5. Step 5: Solve for x
    x = 63,277,505.40/10,566.80
  6. Step 6: Final answer
    x = 5,988.33

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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.