Home / 10,914.48-15,062.76-6,199.11

Finding the Fourth Proportional to 10,914.48, 15,062.76 and 6,199.11

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Solution

The fourth proportional to 10,914.48, 15,062.76 and 6,199.11 is: 8,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.48 : 15,062.76 = 6,199.11 : x
  2. Step 2: Convert to fraction form
    10,914.48/15,062.76 = 6,199.11/x
  3. Step 3: Cross multiply
    10,914.48x = 15,062.76 × 6,199.11
  4. Step 4: Simplify right side
    10,914.48x = 93,375,706.14
  5. Step 5: Solve for x
    x = 93,375,706.14/10,914.48
  6. Step 6: Final answer
    x = 8,555.21

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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.