Home / 12,723.48-19,092.70-5,327.32

Finding the Fourth Proportional to 12,723.48, 19,092.70 and 5,327.32

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Solution

The fourth proportional to 12,723.48, 19,092.70 and 5,327.32 is: 7,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.48 : 19,092.70 = 5,327.32 : x
  2. Step 2: Convert to fraction form
    12,723.48/19,092.70 = 5,327.32/x
  3. Step 3: Cross multiply
    12,723.48x = 19,092.70 × 5,327.32
  4. Step 4: Simplify right side
    12,723.48x = 101,712,922.56
  5. Step 5: Solve for x
    x = 101,712,922.56/12,723.48
  6. Step 6: Final answer
    x = 7,994.11

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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.