Home / 10,100.26-15,149.30-3,526.58

Finding the Fourth Proportional to 10,100.26, 15,149.30 and 3,526.58

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Solution

The fourth proportional to 10,100.26, 15,149.30 and 3,526.58 is: 5,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.26 : 15,149.30 = 3,526.58 : x
  2. Step 2: Convert to fraction form
    10,100.26/15,149.30 = 3,526.58/x
  3. Step 3: Cross multiply
    10,100.26x = 15,149.30 × 3,526.58
  4. Step 4: Simplify right side
    10,100.26x = 53,425,218.39
  5. Step 5: Solve for x
    x = 53,425,218.39/10,100.26
  6. Step 6: Final answer
    x = 5,289.49

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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.