Home / 12,568.32-17,343.81-6,902.89

Finding the Fourth Proportional to 12,568.32, 17,343.81 and 6,902.89

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Solution

The fourth proportional to 12,568.32, 17,343.81 and 6,902.89 is: 9,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.32 : 17,343.81 = 6,902.89 : x
  2. Step 2: Convert to fraction form
    12,568.32/17,343.81 = 6,902.89/x
  3. Step 3: Cross multiply
    12,568.32x = 17,343.81 × 6,902.89
  4. Step 4: Simplify right side
    12,568.32x = 119,722,369.25
  5. Step 5: Solve for x
    x = 119,722,369.25/12,568.32
  6. Step 6: Final answer
    x = 9,525.73

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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.