Home / 12,336.65-17,016.45-7,853.30

Finding the Fourth Proportional to 12,336.65, 17,016.45 and 7,853.30

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Solution

The fourth proportional to 12,336.65, 17,016.45 and 7,853.30 is: 10,832.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.65 : 17,016.45 = 7,853.30 : x
  2. Step 2: Convert to fraction form
    12,336.65/17,016.45 = 7,853.30/x
  3. Step 3: Cross multiply
    12,336.65x = 17,016.45 × 7,853.30
  4. Step 4: Simplify right side
    12,336.65x = 133,635,398.04
  5. Step 5: Solve for x
    x = 133,635,398.04/12,336.65
  6. Step 6: Final answer
    x = 10,832.39

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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.