Home / 10,851.59-14,975.48-6,135.91

Finding the Fourth Proportional to 10,851.59, 14,975.48 and 6,135.91

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Solution

The fourth proportional to 10,851.59, 14,975.48 and 6,135.91 is: 8,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.59 : 14,975.48 = 6,135.91 : x
  2. Step 2: Convert to fraction form
    10,851.59/14,975.48 = 6,135.91/x
  3. Step 3: Cross multiply
    10,851.59x = 14,975.48 × 6,135.91
  4. Step 4: Simplify right side
    10,851.59x = 91,888,175.39
  5. Step 5: Solve for x
    x = 91,888,175.39/10,851.59
  6. Step 6: Final answer
    x = 8,467.71

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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.