Home / 11,922.14-16,454.66-6,885.63

Finding the Fourth Proportional to 11,922.14, 16,454.66 and 6,885.63

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Solution

The fourth proportional to 11,922.14, 16,454.66 and 6,885.63 is: 9,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.14 : 16,454.66 = 6,885.63 : x
  2. Step 2: Convert to fraction form
    11,922.14/16,454.66 = 6,885.63/x
  3. Step 3: Cross multiply
    11,922.14x = 16,454.66 × 6,885.63
  4. Step 4: Simplify right side
    11,922.14x = 113,300,666.11
  5. Step 5: Solve for x
    x = 113,300,666.11/11,922.14
  6. Step 6: Final answer
    x = 9,503.39

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Double scale
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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.