Home / 7,834.58-11,757.61-4,877.36

Finding the Fourth Proportional to 7,834.58, 11,757.61 and 4,877.36

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Solution

The fourth proportional to 7,834.58, 11,757.61 and 4,877.36 is: 7,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.58 : 11,757.61 = 4,877.36 : x
  2. Step 2: Convert to fraction form
    7,834.58/11,757.61 = 4,877.36/x
  3. Step 3: Cross multiply
    7,834.58x = 11,757.61 × 4,877.36
  4. Step 4: Simplify right side
    7,834.58x = 57,346,037.92
  5. Step 5: Solve for x
    x = 57,346,037.92/7,834.58
  6. Step 6: Final answer
    x = 7,319.61

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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.