Home / 6,516.67-8,991.76-4,124.96

Finding the Fourth Proportional to 6,516.67, 8,991.76 and 4,124.96

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Solution

The fourth proportional to 6,516.67, 8,991.76 and 4,124.96 is: 5,691.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.67 : 8,991.76 = 4,124.96 : x
  2. Step 2: Convert to fraction form
    6,516.67/8,991.76 = 4,124.96/x
  3. Step 3: Cross multiply
    6,516.67x = 8,991.76 × 4,124.96
  4. Step 4: Simplify right side
    6,516.67x = 37,090,658.63
  5. Step 5: Solve for x
    x = 37,090,658.63/6,516.67
  6. Step 6: Final answer
    x = 5,691.66

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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.