Home / 7,492.11-11,239.61-2,874.75

Finding the Fourth Proportional to 7,492.11, 11,239.61 and 2,874.75

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Solution

The fourth proportional to 7,492.11, 11,239.61 and 2,874.75 is: 4,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.11 : 11,239.61 = 2,874.75 : x
  2. Step 2: Convert to fraction form
    7,492.11/11,239.61 = 2,874.75/x
  3. Step 3: Cross multiply
    7,492.11x = 11,239.61 × 2,874.75
  4. Step 4: Simplify right side
    7,492.11x = 32,311,068.85
  5. Step 5: Solve for x
    x = 32,311,068.85/7,492.11
  6. Step 6: Final answer
    x = 4,312.68

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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.