Home / 10,874.32-15,007.56-6,684.24

Finding the Fourth Proportional to 10,874.32, 15,007.56 and 6,684.24

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Solution

The fourth proportional to 10,874.32, 15,007.56 and 6,684.24 is: 9,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.32 : 15,007.56 = 6,684.24 : x
  2. Step 2: Convert to fraction form
    10,874.32/15,007.56 = 6,684.24/x
  3. Step 3: Cross multiply
    10,874.32x = 15,007.56 × 6,684.24
  4. Step 4: Simplify right side
    10,874.32x = 100,314,132.85
  5. Step 5: Solve for x
    x = 100,314,132.85/10,874.32
  6. Step 6: Final answer
    x = 9,224.86

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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.