Home / 7,864.15-11,790.51-3,701.85

Finding the Fourth Proportional to 7,864.15, 11,790.51 and 3,701.85

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Solution

The fourth proportional to 7,864.15, 11,790.51 and 3,701.85 is: 5,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.15 : 11,790.51 = 3,701.85 : x
  2. Step 2: Convert to fraction form
    7,864.15/11,790.51 = 3,701.85/x
  3. Step 3: Cross multiply
    7,864.15x = 11,790.51 × 3,701.85
  4. Step 4: Simplify right side
    7,864.15x = 43,646,699.44
  5. Step 5: Solve for x
    x = 43,646,699.44/7,864.15
  6. Step 6: Final answer
    x = 5,550.08

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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.