Home / 11,653.08-16,082.16-6,618.88

Finding the Fourth Proportional to 11,653.08, 16,082.16 and 6,618.88

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Solution

The fourth proportional to 11,653.08, 16,082.16 and 6,618.88 is: 9,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.08 : 16,082.16 = 6,618.88 : x
  2. Step 2: Convert to fraction form
    11,653.08/16,082.16 = 6,618.88/x
  3. Step 3: Cross multiply
    11,653.08x = 16,082.16 × 6,618.88
  4. Step 4: Simplify right side
    11,653.08x = 106,445,907.28
  5. Step 5: Solve for x
    x = 106,445,907.28/11,653.08
  6. Step 6: Final answer
    x = 9,134.57

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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.