Home / 7,881.24-10,874.94-4,524.18

Finding the Fourth Proportional to 7,881.24, 10,874.94 and 4,524.18

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Solution

The fourth proportional to 7,881.24, 10,874.94 and 4,524.18 is: 6,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.24 : 10,874.94 = 4,524.18 : x
  2. Step 2: Convert to fraction form
    7,881.24/10,874.94 = 4,524.18/x
  3. Step 3: Cross multiply
    7,881.24x = 10,874.94 × 4,524.18
  4. Step 4: Simplify right side
    7,881.24x = 49,200,186.05
  5. Step 5: Solve for x
    x = 49,200,186.05/7,881.24
  6. Step 6: Final answer
    x = 6,242.70

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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.