Home / 6,732.32-9,291.88-4,215.60

Finding the Fourth Proportional to 6,732.32, 9,291.88 and 4,215.60

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Solution

The fourth proportional to 6,732.32, 9,291.88 and 4,215.60 is: 5,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.32 : 9,291.88 = 4,215.60 : x
  2. Step 2: Convert to fraction form
    6,732.32/9,291.88 = 4,215.60/x
  3. Step 3: Cross multiply
    6,732.32x = 9,291.88 × 4,215.60
  4. Step 4: Simplify right side
    6,732.32x = 39,170,849.33
  5. Step 5: Solve for x
    x = 39,170,849.33/6,732.32
  6. Step 6: Final answer
    x = 5,818.33

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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.