Home / 11,076.60-16,617.76-9,105.48

Finding the Fourth Proportional to 11,076.60, 16,617.76 and 9,105.48

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Solution

The fourth proportional to 11,076.60, 16,617.76 and 9,105.48 is: 13,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.60 : 16,617.76 = 9,105.48 : x
  2. Step 2: Convert to fraction form
    11,076.60/16,617.76 = 9,105.48/x
  3. Step 3: Cross multiply
    11,076.60x = 16,617.76 × 9,105.48
  4. Step 4: Simplify right side
    11,076.60x = 151,312,681.32
  5. Step 5: Solve for x
    x = 151,312,681.32/11,076.60
  6. Step 6: Final answer
    x = 13,660.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.