Home / 9,168.15-13,752.35-2,928.14

Finding the Fourth Proportional to 9,168.15, 13,752.35 and 2,928.14

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Solution

The fourth proportional to 9,168.15, 13,752.35 and 2,928.14 is: 4,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168.15 : 13,752.35 = 2,928.14 : x
  2. Step 2: Convert to fraction form
    9,168.15/13,752.35 = 2,928.14/x
  3. Step 3: Cross multiply
    9,168.15x = 13,752.35 × 2,928.14
  4. Step 4: Simplify right side
    9,168.15x = 40,268,722.73
  5. Step 5: Solve for x
    x = 40,268,722.73/9,168.15
  6. Step 6: Final answer
    x = 4,392.24

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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.