Home / 13,183.59-19,783.17-4,869.42

Finding the Fourth Proportional to 13,183.59, 19,783.17 and 4,869.42

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Solution

The fourth proportional to 13,183.59, 19,783.17 and 4,869.42 is: 7,307.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,183.59 : 19,783.17 = 4,869.42 : x
  2. Step 2: Convert to fraction form
    13,183.59/19,783.17 = 4,869.42/x
  3. Step 3: Cross multiply
    13,183.59x = 19,783.17 × 4,869.42
  4. Step 4: Simplify right side
    13,183.59x = 96,332,563.66
  5. Step 5: Solve for x
    x = 96,332,563.66/13,183.59
  6. Step 6: Final answer
    x = 7,307.01

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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.