Home / 7,965.96-10,992.15-4,822.62

Finding the Fourth Proportional to 7,965.96, 10,992.15 and 4,822.62

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Solution

The fourth proportional to 7,965.96, 10,992.15 and 4,822.62 is: 6,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.96 : 10,992.15 = 4,822.62 : x
  2. Step 2: Convert to fraction form
    7,965.96/10,992.15 = 4,822.62/x
  3. Step 3: Cross multiply
    7,965.96x = 10,992.15 × 4,822.62
  4. Step 4: Simplify right side
    7,965.96x = 53,010,962.43
  5. Step 5: Solve for x
    x = 53,010,962.43/7,965.96
  6. Step 6: Final answer
    x = 6,654.69

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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.