Home / 7,968.12-10,994.73-4,431.36

Finding the Fourth Proportional to 7,968.12, 10,994.73 and 4,431.36

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Solution

The fourth proportional to 7,968.12, 10,994.73 and 4,431.36 is: 6,114.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.12 : 10,994.73 = 4,431.36 : x
  2. Step 2: Convert to fraction form
    7,968.12/10,994.73 = 4,431.36/x
  3. Step 3: Cross multiply
    7,968.12x = 10,994.73 × 4,431.36
  4. Step 4: Simplify right side
    7,968.12x = 48,721,606.73
  5. Step 5: Solve for x
    x = 48,721,606.73/7,968.12
  6. Step 6: Final answer
    x = 6,114.57

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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.