Home / 9,220.57-12,724.35-5,028.82

Finding the Fourth Proportional to 9,220.57, 12,724.35 and 5,028.82

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Solution

The fourth proportional to 9,220.57, 12,724.35 and 5,028.82 is: 6,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.57 : 12,724.35 = 5,028.82 : x
  2. Step 2: Convert to fraction form
    9,220.57/12,724.35 = 5,028.82/x
  3. Step 3: Cross multiply
    9,220.57x = 12,724.35 × 5,028.82
  4. Step 4: Simplify right side
    9,220.57x = 63,988,465.77
  5. Step 5: Solve for x
    x = 63,988,465.77/9,220.57
  6. Step 6: Final answer
    x = 6,939.75

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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.