Home / 12,476.52-18,708.53-4,153.61

Finding the Fourth Proportional to 12,476.52, 18,708.53 and 4,153.61

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Solution

The fourth proportional to 12,476.52, 18,708.53 and 4,153.61 is: 6,228.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.52 : 18,708.53 = 4,153.61 : x
  2. Step 2: Convert to fraction form
    12,476.52/18,708.53 = 4,153.61/x
  3. Step 3: Cross multiply
    12,476.52x = 18,708.53 × 4,153.61
  4. Step 4: Simplify right side
    12,476.52x = 77,707,822.98
  5. Step 5: Solve for x
    x = 77,707,822.98/12,476.52
  6. Step 6: Final answer
    x = 6,228.33

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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.