Home / 8,730.43-12,053.68-5,751.32

Finding the Fourth Proportional to 8,730.43, 12,053.68 and 5,751.32

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Solution

The fourth proportional to 8,730.43, 12,053.68 and 5,751.32 is: 7,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.43 : 12,053.68 = 5,751.32 : x
  2. Step 2: Convert to fraction form
    8,730.43/12,053.68 = 5,751.32/x
  3. Step 3: Cross multiply
    8,730.43x = 12,053.68 × 5,751.32
  4. Step 4: Simplify right side
    8,730.43x = 69,324,496.21
  5. Step 5: Solve for x
    x = 69,324,496.21/8,730.43
  6. Step 6: Final answer
    x = 7,940.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.