Home / 8,140.25-11,233.67-4,783.14

Finding the Fourth Proportional to 8,140.25, 11,233.67 and 4,783.14

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Solution

The fourth proportional to 8,140.25, 11,233.67 and 4,783.14 is: 6,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.25 : 11,233.67 = 4,783.14 : x
  2. Step 2: Convert to fraction form
    8,140.25/11,233.67 = 4,783.14/x
  3. Step 3: Cross multiply
    8,140.25x = 11,233.67 × 4,783.14
  4. Step 4: Simplify right side
    8,140.25x = 53,732,192.41
  5. Step 5: Solve for x
    x = 53,732,192.41/8,140.25
  6. Step 6: Final answer
    x = 6,600.81

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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.