Home / 12,415.44-18,627.30-5,015.91

Finding the Fourth Proportional to 12,415.44, 18,627.30 and 5,015.91

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Solution

The fourth proportional to 12,415.44, 18,627.30 and 5,015.91 is: 7,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.44 : 18,627.30 = 5,015.91 : x
  2. Step 2: Convert to fraction form
    12,415.44/18,627.30 = 5,015.91/x
  3. Step 3: Cross multiply
    12,415.44x = 18,627.30 × 5,015.91
  4. Step 4: Simplify right side
    12,415.44x = 93,432,860.34
  5. Step 5: Solve for x
    x = 93,432,860.34/12,415.44
  6. Step 6: Final answer
    x = 7,525.54

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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.