Home / 10,645.24-15,967.14-4,072.10

Finding the Fourth Proportional to 10,645.24, 15,967.14 and 4,072.10

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Solution

The fourth proportional to 10,645.24, 15,967.14 and 4,072.10 is: 6,107.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.24 : 15,967.14 = 4,072.10 : x
  2. Step 2: Convert to fraction form
    10,645.24/15,967.14 = 4,072.10/x
  3. Step 3: Cross multiply
    10,645.24x = 15,967.14 × 4,072.10
  4. Step 4: Simplify right side
    10,645.24x = 65,019,790.79
  5. Step 5: Solve for x
    x = 65,019,790.79/10,645.24
  6. Step 6: Final answer
    x = 6,107.87

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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.