Home / 9,483.80-13,087.37-5,234.78

Finding the Fourth Proportional to 9,483.80, 13,087.37 and 5,234.78

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Solution

The fourth proportional to 9,483.80, 13,087.37 and 5,234.78 is: 7,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,483.80 : 13,087.37 = 5,234.78 : x
  2. Step 2: Convert to fraction form
    9,483.80/13,087.37 = 5,234.78/x
  3. Step 3: Cross multiply
    9,483.80x = 13,087.37 × 5,234.78
  4. Step 4: Simplify right side
    9,483.80x = 68,509,548.53
  5. Step 5: Solve for x
    x = 68,509,548.53/9,483.80
  6. Step 6: Final answer
    x = 7,223.85

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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.