Home / 11,945.32-16,482.19-8,164.24

Finding the Fourth Proportional to 11,945.32, 16,482.19 and 8,164.24

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Solution

The fourth proportional to 11,945.32, 16,482.19 and 8,164.24 is: 11,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.32 : 16,482.19 = 8,164.24 : x
  2. Step 2: Convert to fraction form
    11,945.32/16,482.19 = 8,164.24/x
  3. Step 3: Cross multiply
    11,945.32x = 16,482.19 × 8,164.24
  4. Step 4: Simplify right side
    11,945.32x = 134,564,554.89
  5. Step 5: Solve for x
    x = 134,564,554.89/11,945.32
  6. Step 6: Final answer
    x = 11,265.04

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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.