Home / 10,144.47-13,999.43-5,668.41

Finding the Fourth Proportional to 10,144.47, 13,999.43 and 5,668.41

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Solution

The fourth proportional to 10,144.47, 13,999.43 and 5,668.41 is: 7,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.47 : 13,999.43 = 5,668.41 : x
  2. Step 2: Convert to fraction form
    10,144.47/13,999.43 = 5,668.41/x
  3. Step 3: Cross multiply
    10,144.47x = 13,999.43 × 5,668.41
  4. Step 4: Simplify right side
    10,144.47x = 79,354,496.93
  5. Step 5: Solve for x
    x = 79,354,496.93/10,144.47
  6. Step 6: Final answer
    x = 7,822.44

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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.