Home / 12,322.58-18,484.68-4,424.27

Finding the Fourth Proportional to 12,322.58, 18,484.68 and 4,424.27

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Solution

The fourth proportional to 12,322.58, 18,484.68 and 4,424.27 is: 6,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.58 : 18,484.68 = 4,424.27 : x
  2. Step 2: Convert to fraction form
    12,322.58/18,484.68 = 4,424.27/x
  3. Step 3: Cross multiply
    12,322.58x = 18,484.68 × 4,424.27
  4. Step 4: Simplify right side
    12,322.58x = 81,781,215.18
  5. Step 5: Solve for x
    x = 81,781,215.18/12,322.58
  6. Step 6: Final answer
    x = 6,636.70

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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.