Home / 11,577.06-15,976.44-6,864.48

Finding the Fourth Proportional to 11,577.06, 15,976.44 and 6,864.48

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Solution

The fourth proportional to 11,577.06, 15,976.44 and 6,864.48 is: 9,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.06 : 15,976.44 = 6,864.48 : x
  2. Step 2: Convert to fraction form
    11,577.06/15,976.44 = 6,864.48/x
  3. Step 3: Cross multiply
    11,577.06x = 15,976.44 × 6,864.48
  4. Step 4: Simplify right side
    11,577.06x = 109,669,952.85
  5. Step 5: Solve for x
    x = 109,669,952.85/11,577.06
  6. Step 6: Final answer
    x = 9,473.04

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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.