Home / 11,121.84-15,348.01-6,085.99

Finding the Fourth Proportional to 11,121.84, 15,348.01 and 6,085.99

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Solution

The fourth proportional to 11,121.84, 15,348.01 and 6,085.99 is: 8,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.84 : 15,348.01 = 6,085.99 : x
  2. Step 2: Convert to fraction form
    11,121.84/15,348.01 = 6,085.99/x
  3. Step 3: Cross multiply
    11,121.84x = 15,348.01 × 6,085.99
  4. Step 4: Simplify right side
    11,121.84x = 93,407,835.38
  5. Step 5: Solve for x
    x = 93,407,835.38/11,121.84
  6. Step 6: Final answer
    x = 8,398.60

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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.