Home / 11,756.08-17,639.89-5,516.60

Finding the Fourth Proportional to 11,756.08, 17,639.89 and 5,516.60

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Solution

The fourth proportional to 11,756.08, 17,639.89 and 5,516.60 is: 8,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.08 : 17,639.89 = 5,516.60 : x
  2. Step 2: Convert to fraction form
    11,756.08/17,639.89 = 5,516.60/x
  3. Step 3: Cross multiply
    11,756.08x = 17,639.89 × 5,516.60
  4. Step 4: Simplify right side
    11,756.08x = 97,312,283.03
  5. Step 5: Solve for x
    x = 97,312,283.03/11,756.08
  6. Step 6: Final answer
    x = 8,277.61

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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.