Home / 10,106.26-13,945.53-5,629.66

Finding the Fourth Proportional to 10,106.26, 13,945.53 and 5,629.66

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Solution

The fourth proportional to 10,106.26, 13,945.53 and 5,629.66 is: 7,768.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.26 : 13,945.53 = 5,629.66 : x
  2. Step 2: Convert to fraction form
    10,106.26/13,945.53 = 5,629.66/x
  3. Step 3: Cross multiply
    10,106.26x = 13,945.53 × 5,629.66
  4. Step 4: Simplify right side
    10,106.26x = 78,508,592.42
  5. Step 5: Solve for x
    x = 78,508,592.42/10,106.26
  6. Step 6: Final answer
    x = 7,768.31

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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.