Home / 12,240.86-18,361.28-4,846.37

Finding the Fourth Proportional to 12,240.86, 18,361.28 and 4,846.37

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Solution

The fourth proportional to 12,240.86, 18,361.28 and 4,846.37 is: 7,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.86 : 18,361.28 = 4,846.37 : x
  2. Step 2: Convert to fraction form
    12,240.86/18,361.28 = 4,846.37/x
  3. Step 3: Cross multiply
    12,240.86x = 18,361.28 × 4,846.37
  4. Step 4: Simplify right side
    12,240.86x = 88,985,476.86
  5. Step 5: Solve for x
    x = 88,985,476.86/12,240.86
  6. Step 6: Final answer
    x = 7,269.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.