Home / 10,874.16-15,007.68-6,158.34

Finding the Fourth Proportional to 10,874.16, 15,007.68 and 6,158.34

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Solution

The fourth proportional to 10,874.16, 15,007.68 and 6,158.34 is: 8,499.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,874.16 : 15,007.68 = 6,158.34 : x
  2. Step 2: Convert to fraction form
    10,874.16/15,007.68 = 6,158.34/x
  3. Step 3: Cross multiply
    10,874.16x = 15,007.68 × 6,158.34
  4. Step 4: Simplify right side
    10,874.16x = 92,422,396.05
  5. Step 5: Solve for x
    x = 92,422,396.05/10,874.16
  6. Step 6: Final answer
    x = 8,499.27

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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.