Home / 10,183.52-14,060.88-6,648.80

Finding the Fourth Proportional to 10,183.52, 14,060.88 and 6,648.80

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Solution

The fourth proportional to 10,183.52, 14,060.88 and 6,648.80 is: 9,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.52 : 14,060.88 = 6,648.80 : x
  2. Step 2: Convert to fraction form
    10,183.52/14,060.88 = 6,648.80/x
  3. Step 3: Cross multiply
    10,183.52x = 14,060.88 × 6,648.80
  4. Step 4: Simplify right side
    10,183.52x = 93,487,978.94
  5. Step 5: Solve for x
    x = 93,487,978.94/10,183.52
  6. Step 6: Final answer
    x = 9,180.32

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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.