Home / 11,121.76-15,347.36-6,085.04

Finding the Fourth Proportional to 11,121.76, 15,347.36 and 6,085.04

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Solution

The fourth proportional to 11,121.76, 15,347.36 and 6,085.04 is: 8,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.76 : 15,347.36 = 6,085.04 : x
  2. Step 2: Convert to fraction form
    11,121.76/15,347.36 = 6,085.04/x
  3. Step 3: Cross multiply
    11,121.76x = 15,347.36 × 6,085.04
  4. Step 4: Simplify right side
    11,121.76x = 93,389,299.49
  5. Step 5: Solve for x
    x = 93,389,299.49/11,121.76
  6. Step 6: Final answer
    x = 8,396.99

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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.