Home / 7,900.48-11,851.89-2,633.77

Finding the Fourth Proportional to 7,900.48, 11,851.89 and 2,633.77

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Solution

The fourth proportional to 7,900.48, 11,851.89 and 2,633.77 is: 3,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.48 : 11,851.89 = 2,633.77 : x
  2. Step 2: Convert to fraction form
    7,900.48/11,851.89 = 2,633.77/x
  3. Step 3: Cross multiply
    7,900.48x = 11,851.89 × 2,633.77
  4. Step 4: Simplify right side
    7,900.48x = 31,215,152.33
  5. Step 5: Solve for x
    x = 31,215,152.33/7,900.48
  6. Step 6: Final answer
    x = 3,951.05

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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.