Home / 11,223.73-16,835.74-5,378.97

Finding the Fourth Proportional to 11,223.73, 16,835.74 and 5,378.97

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Solution

The fourth proportional to 11,223.73, 16,835.74 and 5,378.97 is: 8,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.73 : 16,835.74 = 5,378.97 : x
  2. Step 2: Convert to fraction form
    11,223.73/16,835.74 = 5,378.97/x
  3. Step 3: Cross multiply
    11,223.73x = 16,835.74 × 5,378.97
  4. Step 4: Simplify right side
    11,223.73x = 90,558,990.07
  5. Step 5: Solve for x
    x = 90,558,990.07/11,223.73
  6. Step 6: Final answer
    x = 8,068.53

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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.