Home / 9,021.66-12,449.10-5,243.64

Finding the Fourth Proportional to 9,021.66, 12,449.10 and 5,243.64

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Solution

The fourth proportional to 9,021.66, 12,449.10 and 5,243.64 is: 7,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.66 : 12,449.10 = 5,243.64 : x
  2. Step 2: Convert to fraction form
    9,021.66/12,449.10 = 5,243.64/x
  3. Step 3: Cross multiply
    9,021.66x = 12,449.10 × 5,243.64
  4. Step 4: Simplify right side
    9,021.66x = 65,278,598.72
  5. Step 5: Solve for x
    x = 65,278,598.72/9,021.66
  6. Step 6: Final answer
    x = 7,235.76

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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.