Home / 11,113.29-16,588.82-9,711.99

Finding the Fourth Proportional to 11,113.29, 16,588.82 and 9,711.99

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Solution

The fourth proportional to 11,113.29, 16,588.82 and 9,711.99 is: 14,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.29 : 16,588.82 = 9,711.99 : x
  2. Step 2: Convert to fraction form
    11,113.29/16,588.82 = 9,711.99/x
  3. Step 3: Cross multiply
    11,113.29x = 16,588.82 × 9,711.99
  4. Step 4: Simplify right side
    11,113.29x = 161,110,405.39
  5. Step 5: Solve for x
    x = 161,110,405.39/11,113.29
  6. Step 6: Final answer
    x = 14,497.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.