Home / 10,101.39-15,148.03-5,942.49

Finding the Fourth Proportional to 10,101.39, 15,148.03 and 5,942.49

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Solution

The fourth proportional to 10,101.39, 15,148.03 and 5,942.49 is: 8,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,101.39 : 15,148.03 = 5,942.49 : x
  2. Step 2: Convert to fraction form
    10,101.39/15,148.03 = 5,942.49/x
  3. Step 3: Cross multiply
    10,101.39x = 15,148.03 × 5,942.49
  4. Step 4: Simplify right side
    10,101.39x = 90,016,986.35
  5. Step 5: Solve for x
    x = 90,016,986.35/10,101.39
  6. Step 6: Final answer
    x = 8,911.35

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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.