Home / 7,626.70-11,431.86-4,985.92

Finding the Fourth Proportional to 7,626.70, 11,431.86 and 4,985.92

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Solution

The fourth proportional to 7,626.70, 11,431.86 and 4,985.92 is: 7,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.70 : 11,431.86 = 4,985.92 : x
  2. Step 2: Convert to fraction form
    7,626.70/11,431.86 = 4,985.92/x
  3. Step 3: Cross multiply
    7,626.70x = 11,431.86 × 4,985.92
  4. Step 4: Simplify right side
    7,626.70x = 56,998,339.41
  5. Step 5: Solve for x
    x = 56,998,339.41/7,626.70
  6. Step 6: Final answer
    x = 7,473.53

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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.