Home / 9,813.12-13,538.67-5,563.56

Finding the Fourth Proportional to 9,813.12, 13,538.67 and 5,563.56

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Solution

The fourth proportional to 9,813.12, 13,538.67 and 5,563.56 is: 7,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.12 : 13,538.67 = 5,563.56 : x
  2. Step 2: Convert to fraction form
    9,813.12/13,538.67 = 5,563.56/x
  3. Step 3: Cross multiply
    9,813.12x = 13,538.67 × 5,563.56
  4. Step 4: Simplify right side
    9,813.12x = 75,323,202.87
  5. Step 5: Solve for x
    x = 75,323,202.87/9,813.12
  6. Step 6: Final answer
    x = 7,675.76

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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.