Home / 8,670.48-11,965.31-4,893.80

Finding the Fourth Proportional to 8,670.48, 11,965.31 and 4,893.80

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Solution

The fourth proportional to 8,670.48, 11,965.31 and 4,893.80 is: 6,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.48 : 11,965.31 = 4,893.80 : x
  2. Step 2: Convert to fraction form
    8,670.48/11,965.31 = 4,893.80/x
  3. Step 3: Cross multiply
    8,670.48x = 11,965.31 × 4,893.80
  4. Step 4: Simplify right side
    8,670.48x = 58,555,768.13
  5. Step 5: Solve for x
    x = 58,555,768.13/8,670.48
  6. Step 6: Final answer
    x = 6,753.47

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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.