Home / 12,343.73-17,034.26-6,678.47

Finding the Fourth Proportional to 12,343.73, 17,034.26 and 6,678.47

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Solution

The fourth proportional to 12,343.73, 17,034.26 and 6,678.47 is: 9,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.73 : 17,034.26 = 6,678.47 : x
  2. Step 2: Convert to fraction form
    12,343.73/17,034.26 = 6,678.47/x
  3. Step 3: Cross multiply
    12,343.73x = 17,034.26 × 6,678.47
  4. Step 4: Simplify right side
    12,343.73x = 113,762,803.58
  5. Step 5: Solve for x
    x = 113,762,803.58/12,343.73
  6. Step 6: Final answer
    x = 9,216.25

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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.