Home / 13,379.24-18,460.62-7,410.50

Finding the Fourth Proportional to 13,379.24, 18,460.62 and 7,410.50

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Solution

The fourth proportional to 13,379.24, 18,460.62 and 7,410.50 is: 10,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.24 : 18,460.62 = 7,410.50 : x
  2. Step 2: Convert to fraction form
    13,379.24/18,460.62 = 7,410.50/x
  3. Step 3: Cross multiply
    13,379.24x = 18,460.62 × 7,410.50
  4. Step 4: Simplify right side
    13,379.24x = 136,802,424.51
  5. Step 5: Solve for x
    x = 136,802,424.51/13,379.24
  6. Step 6: Final answer
    x = 10,224.98

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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.