Home / 10,866.25-14,995.56-6,150.43

Finding the Fourth Proportional to 10,866.25, 14,995.56 and 6,150.43

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Solution

The fourth proportional to 10,866.25, 14,995.56 and 6,150.43 is: 8,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.25 : 14,995.56 = 6,150.43 : x
  2. Step 2: Convert to fraction form
    10,866.25/14,995.56 = 6,150.43/x
  3. Step 3: Cross multiply
    10,866.25x = 14,995.56 × 6,150.43
  4. Step 4: Simplify right side
    10,866.25x = 92,229,142.09
  5. Step 5: Solve for x
    x = 92,229,142.09/10,866.25
  6. Step 6: Final answer
    x = 8,487.67

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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.