Home / 11,236.99-16,829.20-8,881.18

Finding the Fourth Proportional to 11,236.99, 16,829.20 and 8,881.18

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Solution

The fourth proportional to 11,236.99, 16,829.20 and 8,881.18 is: 13,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.99 : 16,829.20 = 8,881.18 : x
  2. Step 2: Convert to fraction form
    11,236.99/16,829.20 = 8,881.18/x
  3. Step 3: Cross multiply
    11,236.99x = 16,829.20 × 8,881.18
  4. Step 4: Simplify right side
    11,236.99x = 149,463,186.59
  5. Step 5: Solve for x
    x = 149,463,186.59/11,236.99
  6. Step 6: Final answer
    x = 13,301.00

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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.