Home / 8,631.38-11,895.98-7,433.30

Finding the Fourth Proportional to 8,631.38, 11,895.98 and 7,433.30

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Solution

The fourth proportional to 8,631.38, 11,895.98 and 7,433.30 is: 10,244.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631.38 : 11,895.98 = 7,433.30 : x
  2. Step 2: Convert to fraction form
    8,631.38/11,895.98 = 7,433.30/x
  3. Step 3: Cross multiply
    8,631.38x = 11,895.98 × 7,433.30
  4. Step 4: Simplify right side
    8,631.38x = 88,426,388.13
  5. Step 5: Solve for x
    x = 88,426,388.13/8,631.38
  6. Step 6: Final answer
    x = 10,244.76

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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.