Home / 10,160.01-15,240.87-3,919.77

Finding the Fourth Proportional to 10,160.01, 15,240.87 and 3,919.77

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Solution

The fourth proportional to 10,160.01, 15,240.87 and 3,919.77 is: 5,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.01 : 15,240.87 = 3,919.77 : x
  2. Step 2: Convert to fraction form
    10,160.01/15,240.87 = 3,919.77/x
  3. Step 3: Cross multiply
    10,160.01x = 15,240.87 × 3,919.77
  4. Step 4: Simplify right side
    10,160.01x = 59,740,705.00
  5. Step 5: Solve for x
    x = 59,740,705.00/10,160.01
  6. Step 6: Final answer
    x = 5,879.98

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1.5x scale

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.