Home / 10,995.90-15,174.05-6,150.69

Finding the Fourth Proportional to 10,995.90, 15,174.05 and 6,150.69

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Solution

The fourth proportional to 10,995.90, 15,174.05 and 6,150.69 is: 8,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.90 : 15,174.05 = 6,150.69 : x
  2. Step 2: Convert to fraction form
    10,995.90/15,174.05 = 6,150.69/x
  3. Step 3: Cross multiply
    10,995.90x = 15,174.05 × 6,150.69
  4. Step 4: Simplify right side
    10,995.90x = 93,330,846.84
  5. Step 5: Solve for x
    x = 93,330,846.84/10,995.90
  6. Step 6: Final answer
    x = 8,487.79

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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.