Home / 6,318.01-8,721.71-5,990.77

Finding the Fourth Proportional to 6,318.01, 8,721.71 and 5,990.77

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Solution

The fourth proportional to 6,318.01, 8,721.71 and 5,990.77 is: 8,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.01 : 8,721.71 = 5,990.77 : x
  2. Step 2: Convert to fraction form
    6,318.01/8,721.71 = 5,990.77/x
  3. Step 3: Cross multiply
    6,318.01x = 8,721.71 × 5,990.77
  4. Step 4: Simplify right side
    6,318.01x = 52,249,758.62
  5. Step 5: Solve for x
    x = 52,249,758.62/6,318.01
  6. Step 6: Final answer
    x = 8,269.97

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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.