Home / 7,257.12-10,014.24-4,113.60

Finding the Fourth Proportional to 7,257.12, 10,014.24 and 4,113.60

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Solution

The fourth proportional to 7,257.12, 10,014.24 and 4,113.60 is: 5,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.12 : 10,014.24 = 4,113.60 : x
  2. Step 2: Convert to fraction form
    7,257.12/10,014.24 = 4,113.60/x
  3. Step 3: Cross multiply
    7,257.12x = 10,014.24 × 4,113.60
  4. Step 4: Simplify right side
    7,257.12x = 41,194,577.66
  5. Step 5: Solve for x
    x = 41,194,577.66/7,257.12
  6. Step 6: Final answer
    x = 5,676.44

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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.