Home / 12,718.62-19,088.46-6,483.24

Finding the Fourth Proportional to 12,718.62, 19,088.46 and 6,483.24

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Solution

The fourth proportional to 12,718.62, 19,088.46 and 6,483.24 is: 9,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.62 : 19,088.46 = 6,483.24 : x
  2. Step 2: Convert to fraction form
    12,718.62/19,088.46 = 6,483.24/x
  3. Step 3: Cross multiply
    12,718.62x = 19,088.46 × 6,483.24
  4. Step 4: Simplify right side
    12,718.62x = 123,755,067.41
  5. Step 5: Solve for x
    x = 123,755,067.41/12,718.62
  6. Step 6: Final answer
    x = 9,730.23

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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.