Home / 13,261.06-19,893.96-5,465.62

Finding the Fourth Proportional to 13,261.06, 19,893.96 and 5,465.62

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Solution

The fourth proportional to 13,261.06, 19,893.96 and 5,465.62 is: 8,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.06 : 19,893.96 = 5,465.62 : x
  2. Step 2: Convert to fraction form
    13,261.06/19,893.96 = 5,465.62/x
  3. Step 3: Cross multiply
    13,261.06x = 19,893.96 × 5,465.62
  4. Step 4: Simplify right side
    13,261.06x = 108,732,825.66
  5. Step 5: Solve for x
    x = 108,732,825.66/13,261.06
  6. Step 6: Final answer
    x = 8,199.41

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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.