Home / 13,107.96-19,661.70-3,247.24

Finding the Fourth Proportional to 13,107.96, 19,661.70 and 3,247.24

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Solution

The fourth proportional to 13,107.96, 19,661.70 and 3,247.24 is: 4,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.96 : 19,661.70 = 3,247.24 : x
  2. Step 2: Convert to fraction form
    13,107.96/19,661.70 = 3,247.24/x
  3. Step 3: Cross multiply
    13,107.96x = 19,661.70 × 3,247.24
  4. Step 4: Simplify right side
    13,107.96x = 63,846,258.71
  5. Step 5: Solve for x
    x = 63,846,258.71/13,107.96
  6. Step 6: Final answer
    x = 4,870.80

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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.