Home / 6,147.60-9,221.66-1,764.60

Finding the Fourth Proportional to 6,147.60, 9,221.66 and 1,764.60

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Solution

The fourth proportional to 6,147.60, 9,221.66 and 1,764.60 is: 2,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.60 : 9,221.66 = 1,764.60 : x
  2. Step 2: Convert to fraction form
    6,147.60/9,221.66 = 1,764.60/x
  3. Step 3: Cross multiply
    6,147.60x = 9,221.66 × 1,764.60
  4. Step 4: Simplify right side
    6,147.60x = 16,272,541.24
  5. Step 5: Solve for x
    x = 16,272,541.24/6,147.60
  6. Step 6: Final answer
    x = 2,646.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.