Home / 10,072.24-15,109.96-3,500.40

Finding the Fourth Proportional to 10,072.24, 15,109.96 and 3,500.40

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Solution

The fourth proportional to 10,072.24, 15,109.96 and 3,500.40 is: 5,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.24 : 15,109.96 = 3,500.40 : x
  2. Step 2: Convert to fraction form
    10,072.24/15,109.96 = 3,500.40/x
  3. Step 3: Cross multiply
    10,072.24x = 15,109.96 × 3,500.40
  4. Step 4: Simplify right side
    10,072.24x = 52,890,903.98
  5. Step 5: Solve for x
    x = 52,890,903.98/10,072.24
  6. Step 6: Final answer
    x = 5,251.16

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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.