Home / 6,242.17-8,611.22-4,224.87

Finding the Fourth Proportional to 6,242.17, 8,611.22 and 4,224.87

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Solution

The fourth proportional to 6,242.17, 8,611.22 and 4,224.87 is: 5,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.17 : 8,611.22 = 4,224.87 : x
  2. Step 2: Convert to fraction form
    6,242.17/8,611.22 = 4,224.87/x
  3. Step 3: Cross multiply
    6,242.17x = 8,611.22 × 4,224.87
  4. Step 4: Simplify right side
    6,242.17x = 36,381,285.04
  5. Step 5: Solve for x
    x = 36,381,285.04/6,242.17
  6. Step 6: Final answer
    x = 5,828.31

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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.