Home / 10,199.36-15,301.50-4,272.96

Finding the Fourth Proportional to 10,199.36, 15,301.50 and 4,272.96

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Solution

The fourth proportional to 10,199.36, 15,301.50 and 4,272.96 is: 6,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.36 : 15,301.50 = 4,272.96 : x
  2. Step 2: Convert to fraction form
    10,199.36/15,301.50 = 4,272.96/x
  3. Step 3: Cross multiply
    10,199.36x = 15,301.50 × 4,272.96
  4. Step 4: Simplify right side
    10,199.36x = 65,382,738.80
  5. Step 5: Solve for x
    x = 65,382,738.80/10,199.36
  6. Step 6: Final answer
    x = 6,410.47

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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.