Home / 8,055.78-12,090.96-5,591.76

Finding the Fourth Proportional to 8,055.78, 12,090.96 and 5,591.76

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Solution

The fourth proportional to 8,055.78, 12,090.96 and 5,591.76 is: 8,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.78 : 12,090.96 = 5,591.76 : x
  2. Step 2: Convert to fraction form
    8,055.78/12,090.96 = 5,591.76/x
  3. Step 3: Cross multiply
    8,055.78x = 12,090.96 × 5,591.76
  4. Step 4: Simplify right side
    8,055.78x = 67,609,746.49
  5. Step 5: Solve for x
    x = 67,609,746.49/8,055.78
  6. Step 6: Final answer
    x = 8,392.70

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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.