Home / 9,350.64-12,900.87-6,207.44

Finding the Fourth Proportional to 9,350.64, 12,900.87 and 6,207.44

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Solution

The fourth proportional to 9,350.64, 12,900.87 and 6,207.44 is: 8,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,350.64 : 12,900.87 = 6,207.44 : x
  2. Step 2: Convert to fraction form
    9,350.64/12,900.87 = 6,207.44/x
  3. Step 3: Cross multiply
    9,350.64x = 12,900.87 × 6,207.44
  4. Step 4: Simplify right side
    9,350.64x = 80,081,311.97
  5. Step 5: Solve for x
    x = 80,081,311.97/9,350.64
  6. Step 6: Final answer
    x = 8,564.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.