Home / 10,231.36-15,322.39-6,934.47

Finding the Fourth Proportional to 10,231.36, 15,322.39 and 6,934.47

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Solution

The fourth proportional to 10,231.36, 15,322.39 and 6,934.47 is: 10,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.36 : 15,322.39 = 6,934.47 : x
  2. Step 2: Convert to fraction form
    10,231.36/15,322.39 = 6,934.47/x
  3. Step 3: Cross multiply
    10,231.36x = 15,322.39 × 6,934.47
  4. Step 4: Simplify right side
    10,231.36x = 106,252,653.78
  5. Step 5: Solve for x
    x = 106,252,653.78/10,231.36
  6. Step 6: Final answer
    x = 10,385.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.