Home / 13,379.34-18,463.26-7,410.87

Finding the Fourth Proportional to 13,379.34, 18,463.26 and 7,410.87

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Solution

The fourth proportional to 13,379.34, 18,463.26 and 7,410.87 is: 10,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.34 : 18,463.26 = 7,410.87 : x
  2. Step 2: Convert to fraction form
    13,379.34/18,463.26 = 7,410.87/x
  3. Step 3: Cross multiply
    13,379.34x = 18,463.26 × 7,410.87
  4. Step 4: Simplify right side
    13,379.34x = 136,828,819.64
  5. Step 5: Solve for x
    x = 136,828,819.64/13,379.34
  6. Step 6: Final answer
    x = 10,226.87

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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.