Home / 13,483.74-20,216.82-6,463.56

Finding the Fourth Proportional to 13,483.74, 20,216.82 and 6,463.56

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Solution

The fourth proportional to 13,483.74, 20,216.82 and 6,463.56 is: 9,691.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.74 : 20,216.82 = 6,463.56 : x
  2. Step 2: Convert to fraction form
    13,483.74/20,216.82 = 6,463.56/x
  3. Step 3: Cross multiply
    13,483.74x = 20,216.82 × 6,463.56
  4. Step 4: Simplify right side
    13,483.74x = 130,672,629.08
  5. Step 5: Solve for x
    x = 130,672,629.08/13,483.74
  6. Step 6: Final answer
    x = 9,691.13

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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.