Home / 12,283.46-18,411.39-4,885.92

Finding the Fourth Proportional to 12,283.46, 18,411.39 and 4,885.92

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Solution

The fourth proportional to 12,283.46, 18,411.39 and 4,885.92 is: 7,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.46 : 18,411.39 = 4,885.92 : x
  2. Step 2: Convert to fraction form
    12,283.46/18,411.39 = 4,885.92/x
  3. Step 3: Cross multiply
    12,283.46x = 18,411.39 × 4,885.92
  4. Step 4: Simplify right side
    12,283.46x = 89,956,578.63
  5. Step 5: Solve for x
    x = 89,956,578.63/12,283.46
  6. Step 6: Final answer
    x = 7,323.39

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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.