Home / 6,516.13-8,992.20-3,683.45

Finding the Fourth Proportional to 6,516.13, 8,992.20 and 3,683.45

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Solution

The fourth proportional to 6,516.13, 8,992.20 and 3,683.45 is: 5,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.13 : 8,992.20 = 3,683.45 : x
  2. Step 2: Convert to fraction form
    6,516.13/8,992.20 = 3,683.45/x
  3. Step 3: Cross multiply
    6,516.13x = 8,992.20 × 3,683.45
  4. Step 4: Simplify right side
    6,516.13x = 33,122,319.09
  5. Step 5: Solve for x
    x = 33,122,319.09/6,516.13
  6. Step 6: Final answer
    x = 5,083.13

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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.