Home / 11,587.76-15,991.64-6,552.18

Finding the Fourth Proportional to 11,587.76, 15,991.64 and 6,552.18

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Solution

The fourth proportional to 11,587.76, 15,991.64 and 6,552.18 is: 9,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.76 : 15,991.64 = 6,552.18 : x
  2. Step 2: Convert to fraction form
    11,587.76/15,991.64 = 6,552.18/x
  3. Step 3: Cross multiply
    11,587.76x = 15,991.64 × 6,552.18
  4. Step 4: Simplify right side
    11,587.76x = 104,780,103.78
  5. Step 5: Solve for x
    x = 104,780,103.78/11,587.76
  6. Step 6: Final answer
    x = 9,042.31

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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.