Home / 13,183.71-19,777.31-4,869.57

Finding the Fourth Proportional to 13,183.71, 19,777.31 and 4,869.57

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Solution

The fourth proportional to 13,183.71, 19,777.31 and 4,869.57 is: 7,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.71 : 19,777.31 = 4,869.57 : x
  2. Step 2: Convert to fraction form
    13,183.71/19,777.31 = 4,869.57/x
  3. Step 3: Cross multiply
    13,183.71x = 19,777.31 × 4,869.57
  4. Step 4: Simplify right side
    13,183.71x = 96,306,971.11
  5. Step 5: Solve for x
    x = 96,306,971.11/13,183.71
  6. Step 6: Final answer
    x = 7,305.00

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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.