Home / 12,336.36-17,008.56-8,976.48

Finding the Fourth Proportional to 12,336.36, 17,008.56 and 8,976.48

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Solution

The fourth proportional to 12,336.36, 17,008.56 and 8,976.48 is: 12,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.36 : 17,008.56 = 8,976.48 : x
  2. Step 2: Convert to fraction form
    12,336.36/17,008.56 = 8,976.48/x
  3. Step 3: Cross multiply
    12,336.36x = 17,008.56 × 8,976.48
  4. Step 4: Simplify right side
    12,336.36x = 152,676,998.67
  5. Step 5: Solve for x
    x = 152,676,998.67/12,336.36
  6. Step 6: Final answer
    x = 12,376.18

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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.