Home / 9,165.82-13,748.55-2,925.78

Finding the Fourth Proportional to 9,165.82, 13,748.55 and 2,925.78

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Solution

The fourth proportional to 9,165.82, 13,748.55 and 2,925.78 is: 4,388.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.82 : 13,748.55 = 2,925.78 : x
  2. Step 2: Convert to fraction form
    9,165.82/13,748.55 = 2,925.78/x
  3. Step 3: Cross multiply
    9,165.82x = 13,748.55 × 2,925.78
  4. Step 4: Simplify right side
    9,165.82x = 40,225,232.62
  5. Step 5: Solve for x
    x = 40,225,232.62/9,165.82
  6. Step 6: Final answer
    x = 4,388.61

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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.