Home / 7,011.68-10,520.60-3,723.96

Finding the Fourth Proportional to 7,011.68, 10,520.60 and 3,723.96

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Solution

The fourth proportional to 7,011.68, 10,520.60 and 3,723.96 is: 5,587.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.68 : 10,520.60 = 3,723.96 : x
  2. Step 2: Convert to fraction form
    7,011.68/10,520.60 = 3,723.96/x
  3. Step 3: Cross multiply
    7,011.68x = 10,520.60 × 3,723.96
  4. Step 4: Simplify right side
    7,011.68x = 39,178,293.58
  5. Step 5: Solve for x
    x = 39,178,293.58/7,011.68
  6. Step 6: Final answer
    x = 5,587.58

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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.