Home / 8,037.12-11,100.24-5,379.96

Finding the Fourth Proportional to 8,037.12, 11,100.24 and 5,379.96

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Solution

The fourth proportional to 8,037.12, 11,100.24 and 5,379.96 is: 7,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,037.12 : 11,100.24 = 5,379.96 : x
  2. Step 2: Convert to fraction form
    8,037.12/11,100.24 = 5,379.96/x
  3. Step 3: Cross multiply
    8,037.12x = 11,100.24 × 5,379.96
  4. Step 4: Simplify right side
    8,037.12x = 59,718,847.19
  5. Step 5: Solve for x
    x = 59,718,847.19/8,037.12
  6. Step 6: Final answer
    x = 7,430.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.