Home / 13,082.48-18,048.49-7,416.03

Finding the Fourth Proportional to 13,082.48, 18,048.49 and 7,416.03

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Solution

The fourth proportional to 13,082.48, 18,048.49 and 7,416.03 is: 10,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.48 : 18,048.49 = 7,416.03 : x
  2. Step 2: Convert to fraction form
    13,082.48/18,048.49 = 7,416.03/x
  3. Step 3: Cross multiply
    13,082.48x = 18,048.49 × 7,416.03
  4. Step 4: Simplify right side
    13,082.48x = 133,848,053.05
  5. Step 5: Solve for x
    x = 133,848,053.05/13,082.48
  6. Step 6: Final answer
    x = 10,231.10

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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.