Home / 10,907.66-15,052.16-6,665.82

Finding the Fourth Proportional to 10,907.66, 15,052.16 and 6,665.82

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Solution

The fourth proportional to 10,907.66, 15,052.16 and 6,665.82 is: 9,198.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.66 : 15,052.16 = 6,665.82 : x
  2. Step 2: Convert to fraction form
    10,907.66/15,052.16 = 6,665.82/x
  3. Step 3: Cross multiply
    10,907.66x = 15,052.16 × 6,665.82
  4. Step 4: Simplify right side
    10,907.66x = 100,334,913.91
  5. Step 5: Solve for x
    x = 100,334,913.91/10,907.66
  6. Step 6: Final answer
    x = 9,198.57

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1.5x scale

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.