Home / 11,763.05-17,639.50-4,362.08

Finding the Fourth Proportional to 11,763.05, 17,639.50 and 4,362.08

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Solution

The fourth proportional to 11,763.05, 17,639.50 and 4,362.08 is: 6,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.05 : 17,639.50 = 4,362.08 : x
  2. Step 2: Convert to fraction form
    11,763.05/17,639.50 = 4,362.08/x
  3. Step 3: Cross multiply
    11,763.05x = 17,639.50 × 4,362.08
  4. Step 4: Simplify right side
    11,763.05x = 76,944,811.06
  5. Step 5: Solve for x
    x = 76,944,811.06/11,763.05
  6. Step 6: Final answer
    x = 6,541.23

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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.