Home / 9,785.20-14,680.02-3,211.24

Finding the Fourth Proportional to 9,785.20, 14,680.02 and 3,211.24

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Solution

The fourth proportional to 9,785.20, 14,680.02 and 3,211.24 is: 4,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.20 : 14,680.02 = 3,211.24 : x
  2. Step 2: Convert to fraction form
    9,785.20/14,680.02 = 3,211.24/x
  3. Step 3: Cross multiply
    9,785.20x = 14,680.02 × 3,211.24
  4. Step 4: Simplify right side
    9,785.20x = 47,141,067.42
  5. Step 5: Solve for x
    x = 47,141,067.42/9,785.20
  6. Step 6: Final answer
    x = 4,817.59

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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.