Home / 7,168.50-9,890.10-4,516.56

Finding the Fourth Proportional to 7,168.50, 9,890.10 and 4,516.56

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Solution

The fourth proportional to 7,168.50, 9,890.10 and 4,516.56 is: 6,231.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168.50 : 9,890.10 = 4,516.56 : x
  2. Step 2: Convert to fraction form
    7,168.50/9,890.10 = 4,516.56/x
  3. Step 3: Cross multiply
    7,168.50x = 9,890.10 × 4,516.56
  4. Step 4: Simplify right side
    7,168.50x = 44,669,230.06
  5. Step 5: Solve for x
    x = 44,669,230.06/7,168.50
  6. Step 6: Final answer
    x = 6,231.32

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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.