Home / 7,706.34-11,558.63-2,160.14

Finding the Fourth Proportional to 7,706.34, 11,558.63 and 2,160.14

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Solution

The fourth proportional to 7,706.34, 11,558.63 and 2,160.14 is: 3,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.34 : 11,558.63 = 2,160.14 : x
  2. Step 2: Convert to fraction form
    7,706.34/11,558.63 = 2,160.14/x
  3. Step 3: Cross multiply
    7,706.34x = 11,558.63 × 2,160.14
  4. Step 4: Simplify right side
    7,706.34x = 24,968,206.62
  5. Step 5: Solve for x
    x = 24,968,206.62/7,706.34
  6. Step 6: Final answer
    x = 3,239.96

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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.