Home / 11,178.08-16,755.24-5,322.32

Finding the Fourth Proportional to 11,178.08, 16,755.24 and 5,322.32

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Solution

The fourth proportional to 11,178.08, 16,755.24 and 5,322.32 is: 7,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.08 : 16,755.24 = 5,322.32 : x
  2. Step 2: Convert to fraction form
    11,178.08/16,755.24 = 5,322.32/x
  3. Step 3: Cross multiply
    11,178.08x = 16,755.24 × 5,322.32
  4. Step 4: Simplify right side
    11,178.08x = 89,176,748.96
  5. Step 5: Solve for x
    x = 89,176,748.96/11,178.08
  6. Step 6: Final answer
    x = 7,977.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.