Home / 10,014.26-15,021.38-3,440.39

Finding the Fourth Proportional to 10,014.26, 15,021.38 and 3,440.39

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Solution

The fourth proportional to 10,014.26, 15,021.38 and 3,440.39 is: 5,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.26 : 15,021.38 = 3,440.39 : x
  2. Step 2: Convert to fraction form
    10,014.26/15,021.38 = 3,440.39/x
  3. Step 3: Cross multiply
    10,014.26x = 15,021.38 × 3,440.39
  4. Step 4: Simplify right side
    10,014.26x = 51,679,313.23
  5. Step 5: Solve for x
    x = 51,679,313.23/10,014.26
  6. Step 6: Final answer
    x = 5,160.57

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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.