Home / 11,166.09-15,409.35-6,450.27

Finding the Fourth Proportional to 11,166.09, 15,409.35 and 6,450.27

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Solution

The fourth proportional to 11,166.09, 15,409.35 and 6,450.27 is: 8,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.09 : 15,409.35 = 6,450.27 : x
  2. Step 2: Convert to fraction form
    11,166.09/15,409.35 = 6,450.27/x
  3. Step 3: Cross multiply
    11,166.09x = 15,409.35 × 6,450.27
  4. Step 4: Simplify right side
    11,166.09x = 99,394,468.02
  5. Step 5: Solve for x
    x = 99,394,468.02/11,166.09
  6. Step 6: Final answer
    x = 8,901.46

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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.