Home / 11,660.48-16,090.98-6,355.18

Finding the Fourth Proportional to 11,660.48, 16,090.98 and 6,355.18

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Solution

The fourth proportional to 11,660.48, 16,090.98 and 6,355.18 is: 8,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.48 : 16,090.98 = 6,355.18 : x
  2. Step 2: Convert to fraction form
    11,660.48/16,090.98 = 6,355.18/x
  3. Step 3: Cross multiply
    11,660.48x = 16,090.98 × 6,355.18
  4. Step 4: Simplify right side
    11,660.48x = 102,260,993.82
  5. Step 5: Solve for x
    x = 102,260,993.82/11,660.48
  6. Step 6: Final answer
    x = 8,769.88

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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.