Home / 9,857.20-14,785.41-6,714.75

Finding the Fourth Proportional to 9,857.20, 14,785.41 and 6,714.75

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Solution

The fourth proportional to 9,857.20, 14,785.41 and 6,714.75 is: 10,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.20 : 14,785.41 = 6,714.75 : x
  2. Step 2: Convert to fraction form
    9,857.20/14,785.41 = 6,714.75/x
  3. Step 3: Cross multiply
    9,857.20x = 14,785.41 × 6,714.75
  4. Step 4: Simplify right side
    9,857.20x = 99,280,331.80
  5. Step 5: Solve for x
    x = 99,280,331.80/9,857.20
  6. Step 6: Final answer
    x = 10,071.86

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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.