Home / 8,743.69-12,066.31-4,764.80

Finding the Fourth Proportional to 8,743.69, 12,066.31 and 4,764.80

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Solution

The fourth proportional to 8,743.69, 12,066.31 and 4,764.80 is: 6,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.69 : 12,066.31 = 4,764.80 : x
  2. Step 2: Convert to fraction form
    8,743.69/12,066.31 = 4,764.80/x
  3. Step 3: Cross multiply
    8,743.69x = 12,066.31 × 4,764.80
  4. Step 4: Simplify right side
    8,743.69x = 57,493,572.14
  5. Step 5: Solve for x
    x = 57,493,572.14/8,743.69
  6. Step 6: Final answer
    x = 6,575.43

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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.