Home / 7,972.77-11,001.87-4,435.59

Finding the Fourth Proportional to 7,972.77, 11,001.87 and 4,435.59

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Solution

The fourth proportional to 7,972.77, 11,001.87 and 4,435.59 is: 6,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.77 : 11,001.87 = 4,435.59 : x
  2. Step 2: Convert to fraction form
    7,972.77/11,001.87 = 4,435.59/x
  3. Step 3: Cross multiply
    7,972.77x = 11,001.87 × 4,435.59
  4. Step 4: Simplify right side
    7,972.77x = 48,799,784.55
  5. Step 5: Solve for x
    x = 48,799,784.55/7,972.77
  6. Step 6: Final answer
    x = 6,120.81

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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.