Home / 7,442.22-11,148.45-4,479.02

Finding the Fourth Proportional to 7,442.22, 11,148.45 and 4,479.02

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Solution

The fourth proportional to 7,442.22, 11,148.45 and 4,479.02 is: 6,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.22 : 11,148.45 = 4,479.02 : x
  2. Step 2: Convert to fraction form
    7,442.22/11,148.45 = 4,479.02/x
  3. Step 3: Cross multiply
    7,442.22x = 11,148.45 × 4,479.02
  4. Step 4: Simplify right side
    7,442.22x = 49,934,108.12
  5. Step 5: Solve for x
    x = 49,934,108.12/7,442.22
  6. Step 6: Final answer
    x = 6,709.57

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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.