Home / 9,024.21-12,450.11-5,439.96

Finding the Fourth Proportional to 9,024.21, 12,450.11 and 5,439.96

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Solution

The fourth proportional to 9,024.21, 12,450.11 and 5,439.96 is: 7,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,024.21 : 12,450.11 = 5,439.96 : x
  2. Step 2: Convert to fraction form
    9,024.21/12,450.11 = 5,439.96/x
  3. Step 3: Cross multiply
    9,024.21x = 12,450.11 × 5,439.96
  4. Step 4: Simplify right side
    9,024.21x = 67,728,073.20
  5. Step 5: Solve for x
    x = 67,728,073.20/9,024.21
  6. Step 6: Final answer
    x = 7,505.15

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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.