Home / 10,090.05-15,135.12-3,516.23

Finding the Fourth Proportional to 10,090.05, 15,135.12 and 3,516.23

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Solution

The fourth proportional to 10,090.05, 15,135.12 and 3,516.23 is: 5,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.05 : 15,135.12 = 3,516.23 : x
  2. Step 2: Convert to fraction form
    10,090.05/15,135.12 = 3,516.23/x
  3. Step 3: Cross multiply
    10,090.05x = 15,135.12 × 3,516.23
  4. Step 4: Simplify right side
    10,090.05x = 53,218,487.32
  5. Step 5: Solve for x
    x = 53,218,487.32/10,090.05
  6. Step 6: Final answer
    x = 5,274.35

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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.