Home / 10,090.46-15,133.41-3,426.49

Finding the Fourth Proportional to 10,090.46, 15,133.41 and 3,426.49

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Solution

The fourth proportional to 10,090.46, 15,133.41 and 3,426.49 is: 5,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.46 : 15,133.41 = 3,426.49 : x
  2. Step 2: Convert to fraction form
    10,090.46/15,133.41 = 3,426.49/x
  3. Step 3: Cross multiply
    10,090.46x = 15,133.41 × 3,426.49
  4. Step 4: Simplify right side
    10,090.46x = 51,854,478.03
  5. Step 5: Solve for x
    x = 51,854,478.03/10,090.46
  6. Step 6: Final answer
    x = 5,138.96

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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.