Home / 9,891.46-13,650.23-5,415.24

Finding the Fourth Proportional to 9,891.46, 13,650.23 and 5,415.24

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Solution

The fourth proportional to 9,891.46, 13,650.23 and 5,415.24 is: 7,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,891.46 : 13,650.23 = 5,415.24 : x
  2. Step 2: Convert to fraction form
    9,891.46/13,650.23 = 5,415.24/x
  3. Step 3: Cross multiply
    9,891.46x = 13,650.23 × 5,415.24
  4. Step 4: Simplify right side
    9,891.46x = 73,919,244.43
  5. Step 5: Solve for x
    x = 73,919,244.43/9,891.46
  6. Step 6: Final answer
    x = 7,473.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.