Home / 11,591.76-15,998.64-6,876.34

Finding the Fourth Proportional to 11,591.76, 15,998.64 and 6,876.34

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Solution

The fourth proportional to 11,591.76, 15,998.64 and 6,876.34 is: 9,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.76 : 15,998.64 = 6,876.34 : x
  2. Step 2: Convert to fraction form
    11,591.76/15,998.64 = 6,876.34/x
  3. Step 3: Cross multiply
    11,591.76x = 15,998.64 × 6,876.34
  4. Step 4: Simplify right side
    11,591.76x = 110,012,088.18
  5. Step 5: Solve for x
    x = 110,012,088.18/11,591.76
  6. Step 6: Final answer
    x = 9,490.54

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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.