Home / 11,858.34-16,364.83-6,553.49

Finding the Fourth Proportional to 11,858.34, 16,364.83 and 6,553.49

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Solution

The fourth proportional to 11,858.34, 16,364.83 and 6,553.49 is: 9,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.34 : 16,364.83 = 6,553.49 : x
  2. Step 2: Convert to fraction form
    11,858.34/16,364.83 = 6,553.49/x
  3. Step 3: Cross multiply
    11,858.34x = 16,364.83 × 6,553.49
  4. Step 4: Simplify right side
    11,858.34x = 107,246,749.76
  5. Step 5: Solve for x
    x = 107,246,749.76/11,858.34
  6. Step 6: Final answer
    x = 9,043.99

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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.