Home / 7,410.60-11,107.10-3,711.72

Finding the Fourth Proportional to 7,410.60, 11,107.10 and 3,711.72

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Solution

The fourth proportional to 7,410.60, 11,107.10 and 3,711.72 is: 5,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.60 : 11,107.10 = 3,711.72 : x
  2. Step 2: Convert to fraction form
    7,410.60/11,107.10 = 3,711.72/x
  3. Step 3: Cross multiply
    7,410.60x = 11,107.10 × 3,711.72
  4. Step 4: Simplify right side
    7,410.60x = 41,226,445.21
  5. Step 5: Solve for x
    x = 41,226,445.21/7,410.60
  6. Step 6: Final answer
    x = 5,563.17

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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.