Home / 9,431.52-13,015.56-5,896.80

Finding the Fourth Proportional to 9,431.52, 13,015.56 and 5,896.80

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Solution

The fourth proportional to 9,431.52, 13,015.56 and 5,896.80 is: 8,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.52 : 13,015.56 = 5,896.80 : x
  2. Step 2: Convert to fraction form
    9,431.52/13,015.56 = 5,896.80/x
  3. Step 3: Cross multiply
    9,431.52x = 13,015.56 × 5,896.80
  4. Step 4: Simplify right side
    9,431.52x = 76,750,154.21
  5. Step 5: Solve for x
    x = 76,750,154.21/9,431.52
  6. Step 6: Final answer
    x = 8,137.62

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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.