Home / 11,166.16-15,410.67-6,450.44

Finding the Fourth Proportional to 11,166.16, 15,410.67 and 6,450.44

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Solution

The fourth proportional to 11,166.16, 15,410.67 and 6,450.44 is: 8,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.16 : 15,410.67 = 6,450.44 : x
  2. Step 2: Convert to fraction form
    11,166.16/15,410.67 = 6,450.44/x
  3. Step 3: Cross multiply
    11,166.16x = 15,410.67 × 6,450.44
  4. Step 4: Simplify right side
    11,166.16x = 99,405,602.19
  5. Step 5: Solve for x
    x = 99,405,602.19/11,166.16
  6. Step 6: Final answer
    x = 8,902.40

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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.