Home / 7,992.91-11,029.59-4,636.18

Finding the Fourth Proportional to 7,992.91, 11,029.59 and 4,636.18

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Solution

The fourth proportional to 7,992.91, 11,029.59 and 4,636.18 is: 6,397.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.91 : 11,029.59 = 4,636.18 : x
  2. Step 2: Convert to fraction form
    7,992.91/11,029.59 = 4,636.18/x
  3. Step 3: Cross multiply
    7,992.91x = 11,029.59 × 4,636.18
  4. Step 4: Simplify right side
    7,992.91x = 51,135,164.57
  5. Step 5: Solve for x
    x = 51,135,164.57/7,992.91
  6. Step 6: Final answer
    x = 6,397.57

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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.