Home / 6,772.74-9,348.12-4,122.02

Finding the Fourth Proportional to 6,772.74, 9,348.12 and 4,122.02

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Solution

The fourth proportional to 6,772.74, 9,348.12 and 4,122.02 is: 5,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.74 : 9,348.12 = 4,122.02 : x
  2. Step 2: Convert to fraction form
    6,772.74/9,348.12 = 4,122.02/x
  3. Step 3: Cross multiply
    6,772.74x = 9,348.12 × 4,122.02
  4. Step 4: Simplify right side
    6,772.74x = 38,533,137.60
  5. Step 5: Solve for x
    x = 38,533,137.60/6,772.74
  6. Step 6: Final answer
    x = 5,689.45

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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.