Home / 12,584.08-18,878.52-4,792.24

Finding the Fourth Proportional to 12,584.08, 18,878.52 and 4,792.24

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Solution

The fourth proportional to 12,584.08, 18,878.52 and 4,792.24 is: 7,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584.08 : 18,878.52 = 4,792.24 : x
  2. Step 2: Convert to fraction form
    12,584.08/18,878.52 = 4,792.24/x
  3. Step 3: Cross multiply
    12,584.08x = 18,878.52 × 4,792.24
  4. Step 4: Simplify right side
    12,584.08x = 90,470,398.68
  5. Step 5: Solve for x
    x = 90,470,398.68/12,584.08
  6. Step 6: Final answer
    x = 7,189.27

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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.