Home / 12,375.84-18,563.76-4,575.56

Finding the Fourth Proportional to 12,375.84, 18,563.76 and 4,575.56

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Solution

The fourth proportional to 12,375.84, 18,563.76 and 4,575.56 is: 6,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.84 : 18,563.76 = 4,575.56 : x
  2. Step 2: Convert to fraction form
    12,375.84/18,563.76 = 4,575.56/x
  3. Step 3: Cross multiply
    12,375.84x = 18,563.76 × 4,575.56
  4. Step 4: Simplify right side
    12,375.84x = 84,939,597.71
  5. Step 5: Solve for x
    x = 84,939,597.71/12,375.84
  6. Step 6: Final answer
    x = 6,863.34

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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.