Home / 7,613.30-11,403.75-4,324.70

Finding the Fourth Proportional to 7,613.30, 11,403.75 and 4,324.70

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Solution

The fourth proportional to 7,613.30, 11,403.75 and 4,324.70 is: 6,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,613.30 : 11,403.75 = 4,324.70 : x
  2. Step 2: Convert to fraction form
    7,613.30/11,403.75 = 4,324.70/x
  3. Step 3: Cross multiply
    7,613.30x = 11,403.75 × 4,324.70
  4. Step 4: Simplify right side
    7,613.30x = 49,317,826.13
  5. Step 5: Solve for x
    x = 49,317,826.13/7,613.30
  6. Step 6: Final answer
    x = 6,477.85

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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.