Home / 11,290.08-16,923.24-5,434.32

Finding the Fourth Proportional to 11,290.08, 16,923.24 and 5,434.32

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Solution

The fourth proportional to 11,290.08, 16,923.24 and 5,434.32 is: 8,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.08 : 16,923.24 = 5,434.32 : x
  2. Step 2: Convert to fraction form
    11,290.08/16,923.24 = 5,434.32/x
  3. Step 3: Cross multiply
    11,290.08x = 16,923.24 × 5,434.32
  4. Step 4: Simplify right side
    11,290.08x = 91,966,301.60
  5. Step 5: Solve for x
    x = 91,966,301.60/11,290.08
  6. Step 6: Final answer
    x = 8,145.76

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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.