Home / 6,724.20-9,255.51-4,928.52

Finding the Fourth Proportional to 6,724.20, 9,255.51 and 4,928.52

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Solution

The fourth proportional to 6,724.20, 9,255.51 and 4,928.52 is: 6,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.20 : 9,255.51 = 4,928.52 : x
  2. Step 2: Convert to fraction form
    6,724.20/9,255.51 = 4,928.52/x
  3. Step 3: Cross multiply
    6,724.20x = 9,255.51 × 4,928.52
  4. Step 4: Simplify right side
    6,724.20x = 45,615,966.15
  5. Step 5: Solve for x
    x = 45,615,966.15/6,724.20
  6. Step 6: Final answer
    x = 6,783.85

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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.