Home / 8,175.51-12,249.41-5,047.74

Finding the Fourth Proportional to 8,175.51, 12,249.41 and 5,047.74

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Solution

The fourth proportional to 8,175.51, 12,249.41 and 5,047.74 is: 7,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.51 : 12,249.41 = 5,047.74 : x
  2. Step 2: Convert to fraction form
    8,175.51/12,249.41 = 5,047.74/x
  3. Step 3: Cross multiply
    8,175.51x = 12,249.41 × 5,047.74
  4. Step 4: Simplify right side
    8,175.51x = 61,831,811.59
  5. Step 5: Solve for x
    x = 61,831,811.59/8,175.51
  6. Step 6: Final answer
    x = 7,563.05

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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.