Home / 9,979.53-14,965.97-3,314.76

Finding the Fourth Proportional to 9,979.53, 14,965.97 and 3,314.76

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Solution

The fourth proportional to 9,979.53, 14,965.97 and 3,314.76 is: 4,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.53 : 14,965.97 = 3,314.76 : x
  2. Step 2: Convert to fraction form
    9,979.53/14,965.97 = 3,314.76/x
  3. Step 3: Cross multiply
    9,979.53x = 14,965.97 × 3,314.76
  4. Step 4: Simplify right side
    9,979.53x = 49,608,582.14
  5. Step 5: Solve for x
    x = 49,608,582.14/9,979.53
  6. Step 6: Final answer
    x = 4,971.03

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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.