Home / 11,464.40-17,184.96-5,228.72

Finding the Fourth Proportional to 11,464.40, 17,184.96 and 5,228.72

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Solution

The fourth proportional to 11,464.40, 17,184.96 and 5,228.72 is: 7,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,464.40 : 17,184.96 = 5,228.72 : x
  2. Step 2: Convert to fraction form
    11,464.40/17,184.96 = 5,228.72/x
  3. Step 3: Cross multiply
    11,464.40x = 17,184.96 × 5,228.72
  4. Step 4: Simplify right side
    11,464.40x = 89,855,344.05
  5. Step 5: Solve for x
    x = 89,855,344.05/11,464.40
  6. Step 6: Final answer
    x = 7,837.77

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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.