Home / 9,215.25-12,717.45-5,023.50

Finding the Fourth Proportional to 9,215.25, 12,717.45 and 5,023.50

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Solution

The fourth proportional to 9,215.25, 12,717.45 and 5,023.50 is: 6,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.25 : 12,717.45 = 5,023.50 : x
  2. Step 2: Convert to fraction form
    9,215.25/12,717.45 = 5,023.50/x
  3. Step 3: Cross multiply
    9,215.25x = 12,717.45 × 5,023.50
  4. Step 4: Simplify right side
    9,215.25x = 63,886,110.08
  5. Step 5: Solve for x
    x = 63,886,110.08/9,215.25
  6. Step 6: Final answer
    x = 6,932.65

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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.