Home / 6,124.47-8,449.33-3,999.32

Finding the Fourth Proportional to 6,124.47, 8,449.33 and 3,999.32

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Solution

The fourth proportional to 6,124.47, 8,449.33 and 3,999.32 is: 5,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.47 : 8,449.33 = 3,999.32 : x
  2. Step 2: Convert to fraction form
    6,124.47/8,449.33 = 3,999.32/x
  3. Step 3: Cross multiply
    6,124.47x = 8,449.33 × 3,999.32
  4. Step 4: Simplify right side
    6,124.47x = 33,791,574.46
  5. Step 5: Solve for x
    x = 33,791,574.46/6,124.47
  6. Step 6: Final answer
    x = 5,517.47

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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.