Home / 7,416.80-11,129.30-3,037.33

Finding the Fourth Proportional to 7,416.80, 11,129.30 and 3,037.33

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Solution

The fourth proportional to 7,416.80, 11,129.30 and 3,037.33 is: 4,557.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.80 : 11,129.30 = 3,037.33 : x
  2. Step 2: Convert to fraction form
    7,416.80/11,129.30 = 3,037.33/x
  3. Step 3: Cross multiply
    7,416.80x = 11,129.30 × 3,037.33
  4. Step 4: Simplify right side
    7,416.80x = 33,803,285.94
  5. Step 5: Solve for x
    x = 33,803,285.94/7,416.80
  6. Step 6: Final answer
    x = 4,557.66

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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.