Home / 6,717.06-10,078.02-3,430.08

Finding the Fourth Proportional to 6,717.06, 10,078.02 and 3,430.08

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Solution

The fourth proportional to 6,717.06, 10,078.02 and 3,430.08 is: 5,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.06 : 10,078.02 = 3,430.08 : x
  2. Step 2: Convert to fraction form
    6,717.06/10,078.02 = 3,430.08/x
  3. Step 3: Cross multiply
    6,717.06x = 10,078.02 × 3,430.08
  4. Step 4: Simplify right side
    6,717.06x = 34,568,414.84
  5. Step 5: Solve for x
    x = 34,568,414.84/6,717.06
  6. Step 6: Final answer
    x = 5,146.36

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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.