Home / 7,027.54-9,678.25-6,874.45

Finding the Fourth Proportional to 7,027.54, 9,678.25 and 6,874.45

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Solution

The fourth proportional to 7,027.54, 9,678.25 and 6,874.45 is: 9,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.54 : 9,678.25 = 6,874.45 : x
  2. Step 2: Convert to fraction form
    7,027.54/9,678.25 = 6,874.45/x
  3. Step 3: Cross multiply
    7,027.54x = 9,678.25 × 6,874.45
  4. Step 4: Simplify right side
    7,027.54x = 66,532,630.11
  5. Step 5: Solve for x
    x = 66,532,630.11/7,027.54
  6. Step 6: Final answer
    x = 9,467.42

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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.