Home / 7,669.17-11,518.34-4,767.75

Finding the Fourth Proportional to 7,669.17, 11,518.34 and 4,767.75

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Solution

The fourth proportional to 7,669.17, 11,518.34 and 4,767.75 is: 7,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.17 : 11,518.34 = 4,767.75 : x
  2. Step 2: Convert to fraction form
    7,669.17/11,518.34 = 4,767.75/x
  3. Step 3: Cross multiply
    7,669.17x = 11,518.34 × 4,767.75
  4. Step 4: Simplify right side
    7,669.17x = 54,916,541.70
  5. Step 5: Solve for x
    x = 54,916,541.70/7,669.17
  6. Step 6: Final answer
    x = 7,160.69

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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.