Home / 7,972.57-11,002.25-4,435.77

Finding the Fourth Proportional to 7,972.57, 11,002.25 and 4,435.77

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Solution

The fourth proportional to 7,972.57, 11,002.25 and 4,435.77 is: 6,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.57 : 11,002.25 = 4,435.77 : x
  2. Step 2: Convert to fraction form
    7,972.57/11,002.25 = 4,435.77/x
  3. Step 3: Cross multiply
    7,972.57x = 11,002.25 × 4,435.77
  4. Step 4: Simplify right side
    7,972.57x = 48,803,428.30
  5. Step 5: Solve for x
    x = 48,803,428.30/7,972.57
  6. Step 6: Final answer
    x = 6,121.42

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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.