Home / 8,319.82-11,465.50-5,957.86

Finding the Fourth Proportional to 8,319.82, 11,465.50 and 5,957.86

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Solution

The fourth proportional to 8,319.82, 11,465.50 and 5,957.86 is: 8,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.82 : 11,465.50 = 5,957.86 : x
  2. Step 2: Convert to fraction form
    8,319.82/11,465.50 = 5,957.86/x
  3. Step 3: Cross multiply
    8,319.82x = 11,465.50 × 5,957.86
  4. Step 4: Simplify right side
    8,319.82x = 68,309,843.83
  5. Step 5: Solve for x
    x = 68,309,843.83/8,319.82
  6. Step 6: Final answer
    x = 8,210.50

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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.