Home / 9,235.62-12,745.87-5,256.99

Finding the Fourth Proportional to 9,235.62, 12,745.87 and 5,256.99

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Solution

The fourth proportional to 9,235.62, 12,745.87 and 5,256.99 is: 7,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.62 : 12,745.87 = 5,256.99 : x
  2. Step 2: Convert to fraction form
    9,235.62/12,745.87 = 5,256.99/x
  3. Step 3: Cross multiply
    9,235.62x = 12,745.87 × 5,256.99
  4. Step 4: Simplify right side
    9,235.62x = 67,004,897.99
  5. Step 5: Solve for x
    x = 67,004,897.99/9,235.62
  6. Step 6: Final answer
    x = 7,255.05

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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.