Home / 7,442.24-11,161.67-2,176.16

Finding the Fourth Proportional to 7,442.24, 11,161.67 and 2,176.16

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Solution

The fourth proportional to 7,442.24, 11,161.67 and 2,176.16 is: 3,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.24 : 11,161.67 = 2,176.16 : x
  2. Step 2: Convert to fraction form
    7,442.24/11,161.67 = 2,176.16/x
  3. Step 3: Cross multiply
    7,442.24x = 11,161.67 × 2,176.16
  4. Step 4: Simplify right side
    7,442.24x = 24,289,513.10
  5. Step 5: Solve for x
    x = 24,289,513.10/7,442.24
  6. Step 6: Final answer
    x = 3,263.74

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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.