Home / 11,861.36-16,368.01-6,555.82

Finding the Fourth Proportional to 11,861.36, 16,368.01 and 6,555.82

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Solution

The fourth proportional to 11,861.36, 16,368.01 and 6,555.82 is: 9,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861.36 : 16,368.01 = 6,555.82 : x
  2. Step 2: Convert to fraction form
    11,861.36/16,368.01 = 6,555.82/x
  3. Step 3: Cross multiply
    11,861.36x = 16,368.01 × 6,555.82
  4. Step 4: Simplify right side
    11,861.36x = 107,305,670.01
  5. Step 5: Solve for x
    x = 107,305,670.01/11,861.36
  6. Step 6: Final answer
    x = 9,046.66

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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.