Home / 10,106.19-15,173.34-5,179.23

Finding the Fourth Proportional to 10,106.19, 15,173.34 and 5,179.23

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Solution

The fourth proportional to 10,106.19, 15,173.34 and 5,179.23 is: 7,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.19 : 15,173.34 = 5,179.23 : x
  2. Step 2: Convert to fraction form
    10,106.19/15,173.34 = 5,179.23/x
  3. Step 3: Cross multiply
    10,106.19x = 15,173.34 × 5,179.23
  4. Step 4: Simplify right side
    10,106.19x = 78,586,217.73
  5. Step 5: Solve for x
    x = 78,586,217.73/10,106.19
  6. Step 6: Final answer
    x = 7,776.05

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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.