Home / 10,624.08-15,924.12-5,418.96

Finding the Fourth Proportional to 10,624.08, 15,924.12 and 5,418.96

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Solution

The fourth proportional to 10,624.08, 15,924.12 and 5,418.96 is: 8,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,624.08 : 15,924.12 = 5,418.96 : x
  2. Step 2: Convert to fraction form
    10,624.08/15,924.12 = 5,418.96/x
  3. Step 3: Cross multiply
    10,624.08x = 15,924.12 × 5,418.96
  4. Step 4: Simplify right side
    10,624.08x = 86,292,169.32
  5. Step 5: Solve for x
    x = 86,292,169.32/10,624.08
  6. Step 6: Final answer
    x = 8,122.32

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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.