Home / 11,754.06-17,631.12-2,989.68

Finding the Fourth Proportional to 11,754.06, 17,631.12 and 2,989.68

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Solution

The fourth proportional to 11,754.06, 17,631.12 and 2,989.68 is: 4,484.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754.06 : 17,631.12 = 2,989.68 : x
  2. Step 2: Convert to fraction form
    11,754.06/17,631.12 = 2,989.68/x
  3. Step 3: Cross multiply
    11,754.06x = 17,631.12 × 2,989.68
  4. Step 4: Simplify right side
    11,754.06x = 52,711,406.84
  5. Step 5: Solve for x
    x = 52,711,406.84/11,754.06
  6. Step 6: Final answer
    x = 4,484.53

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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.