Home / 6,255.96-9,383.80-5,155.88

Finding the Fourth Proportional to 6,255.96, 9,383.80 and 5,155.88

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Solution

The fourth proportional to 6,255.96, 9,383.80 and 5,155.88 is: 7,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.96 : 9,383.80 = 5,155.88 : x
  2. Step 2: Convert to fraction form
    6,255.96/9,383.80 = 5,155.88/x
  3. Step 3: Cross multiply
    6,255.96x = 9,383.80 × 5,155.88
  4. Step 4: Simplify right side
    6,255.96x = 48,381,746.74
  5. Step 5: Solve for x
    x = 48,381,746.74/6,255.96
  6. Step 6: Final answer
    x = 7,733.70

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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.