Home / 11,482.08-15,845.28-6,446.79

Finding the Fourth Proportional to 11,482.08, 15,845.28 and 6,446.79

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Solution

The fourth proportional to 11,482.08, 15,845.28 and 6,446.79 is: 8,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.08 : 15,845.28 = 6,446.79 : x
  2. Step 2: Convert to fraction form
    11,482.08/15,845.28 = 6,446.79/x
  3. Step 3: Cross multiply
    11,482.08x = 15,845.28 × 6,446.79
  4. Step 4: Simplify right side
    11,482.08x = 102,151,192.65
  5. Step 5: Solve for x
    x = 102,151,192.65/11,482.08
  6. Step 6: Final answer
    x = 8,896.58

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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.