Home / 11,839.91-16,331.93-7,058.07

Finding the Fourth Proportional to 11,839.91, 16,331.93 and 7,058.07

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Solution

The fourth proportional to 11,839.91, 16,331.93 and 7,058.07 is: 9,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.91 : 16,331.93 = 7,058.07 : x
  2. Step 2: Convert to fraction form
    11,839.91/16,331.93 = 7,058.07/x
  3. Step 3: Cross multiply
    11,839.91x = 16,331.93 × 7,058.07
  4. Step 4: Simplify right side
    11,839.91x = 115,271,896.35
  5. Step 5: Solve for x
    x = 115,271,896.35/11,839.91
  6. Step 6: Final answer
    x = 9,735.88

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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.