Home / 7,013.06-9,678.21-3,826.41

Finding the Fourth Proportional to 7,013.06, 9,678.21 and 3,826.41

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Solution

The fourth proportional to 7,013.06, 9,678.21 and 3,826.41 is: 5,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.06 : 9,678.21 = 3,826.41 : x
  2. Step 2: Convert to fraction form
    7,013.06/9,678.21 = 3,826.41/x
  3. Step 3: Cross multiply
    7,013.06x = 9,678.21 × 3,826.41
  4. Step 4: Simplify right side
    7,013.06x = 37,032,785.18
  5. Step 5: Solve for x
    x = 37,032,785.18/7,013.06
  6. Step 6: Final answer
    x = 5,280.54

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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.