Home / 11,369.30-15,689.12-6,334.07

Finding the Fourth Proportional to 11,369.30, 15,689.12 and 6,334.07

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Solution

The fourth proportional to 11,369.30, 15,689.12 and 6,334.07 is: 8,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.30 : 15,689.12 = 6,334.07 : x
  2. Step 2: Convert to fraction form
    11,369.30/15,689.12 = 6,334.07/x
  3. Step 3: Cross multiply
    11,369.30x = 15,689.12 × 6,334.07
  4. Step 4: Simplify right side
    11,369.30x = 99,375,984.32
  5. Step 5: Solve for x
    x = 99,375,984.32/11,369.30
  6. Step 6: Final answer
    x = 8,740.73

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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.