Home / 11,653.72-16,082.52-6,618.16

Finding the Fourth Proportional to 11,653.72, 16,082.52 and 6,618.16

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Solution

The fourth proportional to 11,653.72, 16,082.52 and 6,618.16 is: 9,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.72 : 16,082.52 = 6,618.16 : x
  2. Step 2: Convert to fraction form
    11,653.72/16,082.52 = 6,618.16/x
  3. Step 3: Cross multiply
    11,653.72x = 16,082.52 × 6,618.16
  4. Step 4: Simplify right side
    11,653.72x = 106,436,690.56
  5. Step 5: Solve for x
    x = 106,436,690.56/11,653.72
  6. Step 6: Final answer
    x = 9,133.28

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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.