Home / 12,568.69-18,853.64-8,417.04

Finding the Fourth Proportional to 12,568.69, 18,853.64 and 8,417.04

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Solution

The fourth proportional to 12,568.69, 18,853.64 and 8,417.04 is: 12,625.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.69 : 18,853.64 = 8,417.04 : x
  2. Step 2: Convert to fraction form
    12,568.69/18,853.64 = 8,417.04/x
  3. Step 3: Cross multiply
    12,568.69x = 18,853.64 × 8,417.04
  4. Step 4: Simplify right side
    12,568.69x = 158,691,842.03
  5. Step 5: Solve for x
    x = 158,691,842.03/12,568.69
  6. Step 6: Final answer
    x = 12,625.97

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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.