Home / 7,161.56-9,883.42-4,017.96

Finding the Fourth Proportional to 7,161.56, 9,883.42 and 4,017.96

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Solution

The fourth proportional to 7,161.56, 9,883.42 and 4,017.96 is: 5,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.56 : 9,883.42 = 4,017.96 : x
  2. Step 2: Convert to fraction form
    7,161.56/9,883.42 = 4,017.96/x
  3. Step 3: Cross multiply
    7,161.56x = 9,883.42 × 4,017.96
  4. Step 4: Simplify right side
    7,161.56x = 39,711,186.22
  5. Step 5: Solve for x
    x = 39,711,186.22/7,161.56
  6. Step 6: Final answer
    x = 5,545.05

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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.