Home / 10,851.22-14,975.45-6,135.54

Finding the Fourth Proportional to 10,851.22, 14,975.45 and 6,135.54

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Solution

The fourth proportional to 10,851.22, 14,975.45 and 6,135.54 is: 8,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.22 : 14,975.45 = 6,135.54 : x
  2. Step 2: Convert to fraction form
    10,851.22/14,975.45 = 6,135.54/x
  3. Step 3: Cross multiply
    10,851.22x = 14,975.45 × 6,135.54
  4. Step 4: Simplify right side
    10,851.22x = 91,882,472.49
  5. Step 5: Solve for x
    x = 91,882,472.49/10,851.22
  6. Step 6: Final answer
    x = 8,467.48

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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.