Home / 9,178.53-13,758.35-3,629.63

Finding the Fourth Proportional to 9,178.53, 13,758.35 and 3,629.63

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Solution

The fourth proportional to 9,178.53, 13,758.35 and 3,629.63 is: 5,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.53 : 13,758.35 = 3,629.63 : x
  2. Step 2: Convert to fraction form
    9,178.53/13,758.35 = 3,629.63/x
  3. Step 3: Cross multiply
    9,178.53x = 13,758.35 × 3,629.63
  4. Step 4: Simplify right side
    9,178.53x = 49,937,632.97
  5. Step 5: Solve for x
    x = 49,937,632.97/9,178.53
  6. Step 6: Final answer
    x = 5,440.70

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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.