Home / 11,885.10-16,358.67-11,204.70

Finding the Fourth Proportional to 11,885.10, 16,358.67 and 11,204.70

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Solution

The fourth proportional to 11,885.10, 16,358.67 and 11,204.70 is: 15,422.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,885.10 : 16,358.67 = 11,204.70 : x
  2. Step 2: Convert to fraction form
    11,885.10/16,358.67 = 11,204.70/x
  3. Step 3: Cross multiply
    11,885.10x = 16,358.67 × 11,204.70
  4. Step 4: Simplify right side
    11,885.10x = 183,293,989.75
  5. Step 5: Solve for x
    x = 183,293,989.75/11,885.10
  6. Step 6: Final answer
    x = 15,422.17

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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.