Home / 8,762.20-12,092.12-4,783.53

Finding the Fourth Proportional to 8,762.20, 12,092.12 and 4,783.53

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Solution

The fourth proportional to 8,762.20, 12,092.12 and 4,783.53 is: 6,601.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.20 : 12,092.12 = 4,783.53 : x
  2. Step 2: Convert to fraction form
    8,762.20/12,092.12 = 4,783.53/x
  3. Step 3: Cross multiply
    8,762.20x = 12,092.12 × 4,783.53
  4. Step 4: Simplify right side
    8,762.20x = 57,843,018.78
  5. Step 5: Solve for x
    x = 57,843,018.78/8,762.20
  6. Step 6: Final answer
    x = 6,601.43

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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.