Home / 6,746.76-10,127.34-5,449.32

Finding the Fourth Proportional to 6,746.76, 10,127.34 and 5,449.32

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Solution

The fourth proportional to 6,746.76, 10,127.34 and 5,449.32 is: 8,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.76 : 10,127.34 = 5,449.32 : x
  2. Step 2: Convert to fraction form
    6,746.76/10,127.34 = 5,449.32/x
  3. Step 3: Cross multiply
    6,746.76x = 10,127.34 × 5,449.32
  4. Step 4: Simplify right side
    6,746.76x = 55,187,116.41
  5. Step 5: Solve for x
    x = 55,187,116.41/6,746.76
  6. Step 6: Final answer
    x = 8,179.80

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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.