Home / 10,907.79-15,052.33-6,665.94

Finding the Fourth Proportional to 10,907.79, 15,052.33 and 6,665.94

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Solution

The fourth proportional to 10,907.79, 15,052.33 and 6,665.94 is: 9,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.79 : 15,052.33 = 6,665.94 : x
  2. Step 2: Convert to fraction form
    10,907.79/15,052.33 = 6,665.94/x
  3. Step 3: Cross multiply
    10,907.79x = 15,052.33 × 6,665.94
  4. Step 4: Simplify right side
    10,907.79x = 100,337,928.64
  5. Step 5: Solve for x
    x = 100,337,928.64/10,907.79
  6. Step 6: Final answer
    x = 9,198.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.