Home / 7,706.22-11,558.44-2,160.01

Finding the Fourth Proportional to 7,706.22, 11,558.44 and 2,160.01

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Solution

The fourth proportional to 7,706.22, 11,558.44 and 2,160.01 is: 3,239.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.22 : 11,558.44 = 2,160.01 : x
  2. Step 2: Convert to fraction form
    7,706.22/11,558.44 = 2,160.01/x
  3. Step 3: Cross multiply
    7,706.22x = 11,558.44 × 2,160.01
  4. Step 4: Simplify right side
    7,706.22x = 24,966,345.98
  5. Step 5: Solve for x
    x = 24,966,345.98/7,706.22
  6. Step 6: Final answer
    x = 3,239.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.