Home / 11,994.48-17,985.12-4,972.56

Finding the Fourth Proportional to 11,994.48, 17,985.12 and 4,972.56

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Solution

The fourth proportional to 11,994.48, 17,985.12 and 4,972.56 is: 7,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.48 : 17,985.12 = 4,972.56 : x
  2. Step 2: Convert to fraction form
    11,994.48/17,985.12 = 4,972.56/x
  3. Step 3: Cross multiply
    11,994.48x = 17,985.12 × 4,972.56
  4. Step 4: Simplify right side
    11,994.48x = 89,432,088.31
  5. Step 5: Solve for x
    x = 89,432,088.31/11,994.48
  6. Step 6: Final answer
    x = 7,456.10

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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.