Home / 11,653.18-16,082.52-7,179.94

Finding the Fourth Proportional to 11,653.18, 16,082.52 and 7,179.94

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Solution

The fourth proportional to 11,653.18, 16,082.52 and 7,179.94 is: 9,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.18 : 16,082.52 = 7,179.94 : x
  2. Step 2: Convert to fraction form
    11,653.18/16,082.52 = 7,179.94/x
  3. Step 3: Cross multiply
    11,653.18x = 16,082.52 × 7,179.94
  4. Step 4: Simplify right side
    11,653.18x = 115,471,528.65
  5. Step 5: Solve for x
    x = 115,471,528.65/11,653.18
  6. Step 6: Final answer
    x = 9,909.01

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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.