Home / 11,613.24-16,032.91-7,645.88

Finding the Fourth Proportional to 11,613.24, 16,032.91 and 7,645.88

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Solution

The fourth proportional to 11,613.24, 16,032.91 and 7,645.88 is: 10,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.24 : 16,032.91 = 7,645.88 : x
  2. Step 2: Convert to fraction form
    11,613.24/16,032.91 = 7,645.88/x
  3. Step 3: Cross multiply
    11,613.24x = 16,032.91 × 7,645.88
  4. Step 4: Simplify right side
    11,613.24x = 122,585,705.91
  5. Step 5: Solve for x
    x = 122,585,705.91/11,613.24
  6. Step 6: Final answer
    x = 10,555.69

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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.