Home / 7,867.56-11,792.70-2,669.52

Finding the Fourth Proportional to 7,867.56, 11,792.70 and 2,669.52

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Solution

The fourth proportional to 7,867.56, 11,792.70 and 2,669.52 is: 4,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.56 : 11,792.70 = 2,669.52 : x
  2. Step 2: Convert to fraction form
    7,867.56/11,792.70 = 2,669.52/x
  3. Step 3: Cross multiply
    7,867.56x = 11,792.70 × 2,669.52
  4. Step 4: Simplify right side
    7,867.56x = 31,480,848.50
  5. Step 5: Solve for x
    x = 31,480,848.50/7,867.56
  6. Step 6: Final answer
    x = 4,001.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.