Home / 9,251.42-13,875.74-3,406.66

Finding the Fourth Proportional to 9,251.42, 13,875.74 and 3,406.66

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Solution

The fourth proportional to 9,251.42, 13,875.74 and 3,406.66 is: 5,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.42 : 13,875.74 = 3,406.66 : x
  2. Step 2: Convert to fraction form
    9,251.42/13,875.74 = 3,406.66/x
  3. Step 3: Cross multiply
    9,251.42x = 13,875.74 × 3,406.66
  4. Step 4: Simplify right side
    9,251.42x = 47,269,928.43
  5. Step 5: Solve for x
    x = 47,269,928.43/9,251.42
  6. Step 6: Final answer
    x = 5,109.48

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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.