Home / 12,280.17-18,414.75-4,483.50

Finding the Fourth Proportional to 12,280.17, 18,414.75 and 4,483.50

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Solution

The fourth proportional to 12,280.17, 18,414.75 and 4,483.50 is: 6,723.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280.17 : 18,414.75 = 4,483.50 : x
  2. Step 2: Convert to fraction form
    12,280.17/18,414.75 = 4,483.50/x
  3. Step 3: Cross multiply
    12,280.17x = 18,414.75 × 4,483.50
  4. Step 4: Simplify right side
    12,280.17x = 82,562,531.63
  5. Step 5: Solve for x
    x = 82,562,531.63/12,280.17
  6. Step 6: Final answer
    x = 6,723.24

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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.