Home / 13,233.16-18,261.79-7,183.42

Finding the Fourth Proportional to 13,233.16, 18,261.79 and 7,183.42

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Solution

The fourth proportional to 13,233.16, 18,261.79 and 7,183.42 is: 9,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.16 : 18,261.79 = 7,183.42 : x
  2. Step 2: Convert to fraction form
    13,233.16/18,261.79 = 7,183.42/x
  3. Step 3: Cross multiply
    13,233.16x = 18,261.79 × 7,183.42
  4. Step 4: Simplify right side
    13,233.16x = 131,182,043.91
  5. Step 5: Solve for x
    x = 131,182,043.91/13,233.16
  6. Step 6: Final answer
    x = 9,913.13

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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.