Home / 7,385.58-11,071.14-4,745.70

Finding the Fourth Proportional to 7,385.58, 11,071.14 and 4,745.70

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Solution

The fourth proportional to 7,385.58, 11,071.14 and 4,745.70 is: 7,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.58 : 11,071.14 = 4,745.70 : x
  2. Step 2: Convert to fraction form
    7,385.58/11,071.14 = 4,745.70/x
  3. Step 3: Cross multiply
    7,385.58x = 11,071.14 × 4,745.70
  4. Step 4: Simplify right side
    7,385.58x = 52,540,309.10
  5. Step 5: Solve for x
    x = 52,540,309.10/7,385.58
  6. Step 6: Final answer
    x = 7,113.90

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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.