Home / 9,972.88-14,962.52-3,403.12

Finding the Fourth Proportional to 9,972.88, 14,962.52 and 3,403.12

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Solution

The fourth proportional to 9,972.88, 14,962.52 and 3,403.12 is: 5,105.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,972.88 : 14,962.52 = 3,403.12 : x
  2. Step 2: Convert to fraction form
    9,972.88/14,962.52 = 3,403.12/x
  3. Step 3: Cross multiply
    9,972.88x = 14,962.52 × 3,403.12
  4. Step 4: Simplify right side
    9,972.88x = 50,919,251.06
  5. Step 5: Solve for x
    x = 50,919,251.06/9,972.88
  6. Step 6: Final answer
    x = 5,105.77

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1.5x scale

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.