Home / 8,184.30-12,276.36-2,340.87

Finding the Fourth Proportional to 8,184.30, 12,276.36 and 2,340.87

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Solution

The fourth proportional to 8,184.30, 12,276.36 and 2,340.87 is: 3,511.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.30 : 12,276.36 = 2,340.87 : x
  2. Step 2: Convert to fraction form
    8,184.30/12,276.36 = 2,340.87/x
  3. Step 3: Cross multiply
    8,184.30x = 12,276.36 × 2,340.87
  4. Step 4: Simplify right side
    8,184.30x = 28,737,362.83
  5. Step 5: Solve for x
    x = 28,737,362.83/8,184.30
  6. Step 6: Final answer
    x = 3,511.28

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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.