Home / 8,907.67-13,357.30-5,211.02

Finding the Fourth Proportional to 8,907.67, 13,357.30 and 5,211.02

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Solution

The fourth proportional to 8,907.67, 13,357.30 and 5,211.02 is: 7,814.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.67 : 13,357.30 = 5,211.02 : x
  2. Step 2: Convert to fraction form
    8,907.67/13,357.30 = 5,211.02/x
  3. Step 3: Cross multiply
    8,907.67x = 13,357.30 × 5,211.02
  4. Step 4: Simplify right side
    8,907.67x = 69,605,157.45
  5. Step 5: Solve for x
    x = 69,605,157.45/8,907.67
  6. Step 6: Final answer
    x = 7,814.07

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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.