Home / 8,574.18-12,861.66-2,730.24

Finding the Fourth Proportional to 8,574.18, 12,861.66 and 2,730.24

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Solution

The fourth proportional to 8,574.18, 12,861.66 and 2,730.24 is: 4,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.18 : 12,861.66 = 2,730.24 : x
  2. Step 2: Convert to fraction form
    8,574.18/12,861.66 = 2,730.24/x
  3. Step 3: Cross multiply
    8,574.18x = 12,861.66 × 2,730.24
  4. Step 4: Simplify right side
    8,574.18x = 35,115,418.60
  5. Step 5: Solve for x
    x = 35,115,418.60/8,574.18
  6. Step 6: Final answer
    x = 4,095.48

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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.