Home / 9,260.27-12,779.32-5,227.30

Finding the Fourth Proportional to 9,260.27, 12,779.32 and 5,227.30

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Solution

The fourth proportional to 9,260.27, 12,779.32 and 5,227.30 is: 7,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.27 : 12,779.32 = 5,227.30 : x
  2. Step 2: Convert to fraction form
    9,260.27/12,779.32 = 5,227.30/x
  3. Step 3: Cross multiply
    9,260.27x = 12,779.32 × 5,227.30
  4. Step 4: Simplify right side
    9,260.27x = 66,801,339.44
  5. Step 5: Solve for x
    x = 66,801,339.44/9,260.27
  6. Step 6: Final answer
    x = 7,213.76

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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.