Home / 6,712.02-9,261.96-3,878.94

Finding the Fourth Proportional to 6,712.02, 9,261.96 and 3,878.94

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Solution

The fourth proportional to 6,712.02, 9,261.96 and 3,878.94 is: 5,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.02 : 9,261.96 = 3,878.94 : x
  2. Step 2: Convert to fraction form
    6,712.02/9,261.96 = 3,878.94/x
  3. Step 3: Cross multiply
    6,712.02x = 9,261.96 × 3,878.94
  4. Step 4: Simplify right side
    6,712.02x = 35,926,587.12
  5. Step 5: Solve for x
    x = 35,926,587.12/6,712.02
  6. Step 6: Final answer
    x = 5,352.57

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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.