Home / 12,722.33-17,558.92-7,058.90

Finding the Fourth Proportional to 12,722.33, 17,558.92 and 7,058.90

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Solution

The fourth proportional to 12,722.33, 17,558.92 and 7,058.90 is: 9,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.33 : 17,558.92 = 7,058.90 : x
  2. Step 2: Convert to fraction form
    12,722.33/17,558.92 = 7,058.90/x
  3. Step 3: Cross multiply
    12,722.33x = 17,558.92 × 7,058.90
  4. Step 4: Simplify right side
    12,722.33x = 123,946,724.08
  5. Step 5: Solve for x
    x = 123,946,724.08/12,722.33
  6. Step 6: Final answer
    x = 9,742.45

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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.