Home / 7,627.10-11,442.96-3,186.92

Finding the Fourth Proportional to 7,627.10, 11,442.96 and 3,186.92

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Solution

The fourth proportional to 7,627.10, 11,442.96 and 3,186.92 is: 4,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.10 : 11,442.96 = 3,186.92 : x
  2. Step 2: Convert to fraction form
    7,627.10/11,442.96 = 3,186.92/x
  3. Step 3: Cross multiply
    7,627.10x = 11,442.96 × 3,186.92
  4. Step 4: Simplify right side
    7,627.10x = 36,467,798.08
  5. Step 5: Solve for x
    x = 36,467,798.08/7,627.10
  6. Step 6: Final answer
    x = 4,781.35

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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.