Home / 12,473.15-18,712.71-4,153.24

Finding the Fourth Proportional to 12,473.15, 18,712.71 and 4,153.24

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Solution

The fourth proportional to 12,473.15, 18,712.71 and 4,153.24 is: 6,230.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.15 : 18,712.71 = 4,153.24 : x
  2. Step 2: Convert to fraction form
    12,473.15/18,712.71 = 4,153.24/x
  3. Step 3: Cross multiply
    12,473.15x = 18,712.71 × 4,153.24
  4. Step 4: Simplify right side
    12,473.15x = 77,718,314.29
  5. Step 5: Solve for x
    x = 77,718,314.29/12,473.15
  6. Step 6: Final answer
    x = 6,230.85

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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.