Home / 8,604.17-11,872.83-5,247.89

Finding the Fourth Proportional to 8,604.17, 11,872.83 and 5,247.89

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Solution

The fourth proportional to 8,604.17, 11,872.83 and 5,247.89 is: 7,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.17 : 11,872.83 = 5,247.89 : x
  2. Step 2: Convert to fraction form
    8,604.17/11,872.83 = 5,247.89/x
  3. Step 3: Cross multiply
    8,604.17x = 11,872.83 × 5,247.89
  4. Step 4: Simplify right side
    8,604.17x = 62,307,281.15
  5. Step 5: Solve for x
    x = 62,307,281.15/8,604.17
  6. Step 6: Final answer
    x = 7,241.52

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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.