Home / 12,723.54-17,558.13-7,058.26

Finding the Fourth Proportional to 12,723.54, 17,558.13 and 7,058.26

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Solution

The fourth proportional to 12,723.54, 17,558.13 and 7,058.26 is: 9,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.54 : 17,558.13 = 7,058.26 : x
  2. Step 2: Convert to fraction form
    12,723.54/17,558.13 = 7,058.26/x
  3. Step 3: Cross multiply
    12,723.54x = 17,558.13 × 7,058.26
  4. Step 4: Simplify right side
    12,723.54x = 123,929,846.65
  5. Step 5: Solve for x
    x = 123,929,846.65/12,723.54
  6. Step 6: Final answer
    x = 9,740.20

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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.