Home / 7,992.91-11,030.31-4,635.86

Finding the Fourth Proportional to 7,992.91, 11,030.31 and 4,635.86

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Solution

The fourth proportional to 7,992.91, 11,030.31 and 4,635.86 is: 6,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.91 : 11,030.31 = 4,635.86 : x
  2. Step 2: Convert to fraction form
    7,992.91/11,030.31 = 4,635.86/x
  3. Step 3: Cross multiply
    7,992.91x = 11,030.31 × 4,635.86
  4. Step 4: Simplify right side
    7,992.91x = 51,134,979.81
  5. Step 5: Solve for x
    x = 51,134,979.81/7,992.91
  6. Step 6: Final answer
    x = 6,397.55

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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.