Home / 9,328.08-13,991.52-5,170.08

Finding the Fourth Proportional to 9,328.08, 13,991.52 and 5,170.08

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Solution

The fourth proportional to 9,328.08, 13,991.52 and 5,170.08 is: 7,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.08 : 13,991.52 = 5,170.08 : x
  2. Step 2: Convert to fraction form
    9,328.08/13,991.52 = 5,170.08/x
  3. Step 3: Cross multiply
    9,328.08x = 13,991.52 × 5,170.08
  4. Step 4: Simplify right side
    9,328.08x = 72,337,277.72
  5. Step 5: Solve for x
    x = 72,337,277.72/9,328.08
  6. Step 6: Final answer
    x = 7,754.79

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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.