Home / 7,257.11-10,014.30-4,069.76

Finding the Fourth Proportional to 7,257.11, 10,014.30 and 4,069.76

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Solution

The fourth proportional to 7,257.11, 10,014.30 and 4,069.76 is: 5,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.11 : 10,014.30 = 4,069.76 : x
  2. Step 2: Convert to fraction form
    7,257.11/10,014.30 = 4,069.76/x
  3. Step 3: Cross multiply
    7,257.11x = 10,014.30 × 4,069.76
  4. Step 4: Simplify right side
    7,257.11x = 40,755,747.50
  5. Step 5: Solve for x
    x = 40,755,747.50/7,257.11
  6. Step 6: Final answer
    x = 5,615.98

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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.