Home / 13,272.46-19,905.57-5,872.86

Finding the Fourth Proportional to 13,272.46, 19,905.57 and 5,872.86

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Solution

The fourth proportional to 13,272.46, 19,905.57 and 5,872.86 is: 8,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.46 : 19,905.57 = 5,872.86 : x
  2. Step 2: Convert to fraction form
    13,272.46/19,905.57 = 5,872.86/x
  3. Step 3: Cross multiply
    13,272.46x = 19,905.57 × 5,872.86
  4. Step 4: Simplify right side
    13,272.46x = 116,902,625.83
  5. Step 5: Solve for x
    x = 116,902,625.83/13,272.46
  6. Step 6: Final answer
    x = 8,807.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.