Home / 12,361.55-18,549.62-4,575.83

Finding the Fourth Proportional to 12,361.55, 18,549.62 and 4,575.83

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Solution

The fourth proportional to 12,361.55, 18,549.62 and 4,575.83 is: 6,866.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.55 : 18,549.62 = 4,575.83 : x
  2. Step 2: Convert to fraction form
    12,361.55/18,549.62 = 4,575.83/x
  3. Step 3: Cross multiply
    12,361.55x = 18,549.62 × 4,575.83
  4. Step 4: Simplify right side
    12,361.55x = 84,879,965.50
  5. Step 5: Solve for x
    x = 84,879,965.50/12,361.55
  6. Step 6: Final answer
    x = 6,866.45

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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.