Home / 12,331.04-17,006.72-7,616.48

Finding the Fourth Proportional to 12,331.04, 17,006.72 and 7,616.48

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Solution

The fourth proportional to 12,331.04, 17,006.72 and 7,616.48 is: 10,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.04 : 17,006.72 = 7,616.48 : x
  2. Step 2: Convert to fraction form
    12,331.04/17,006.72 = 7,616.48/x
  3. Step 3: Cross multiply
    12,331.04x = 17,006.72 × 7,616.48
  4. Step 4: Simplify right side
    12,331.04x = 129,531,342.75
  5. Step 5: Solve for x
    x = 129,531,342.75/12,331.04
  6. Step 6: Final answer
    x = 10,504.49

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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.