Home / 10,994.64-15,172.80-5,958.96

Finding the Fourth Proportional to 10,994.64, 15,172.80 and 5,958.96

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Solution

The fourth proportional to 10,994.64, 15,172.80 and 5,958.96 is: 8,223.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.64 : 15,172.80 = 5,958.96 : x
  2. Step 2: Convert to fraction form
    10,994.64/15,172.80 = 5,958.96/x
  3. Step 3: Cross multiply
    10,994.64x = 15,172.80 × 5,958.96
  4. Step 4: Simplify right side
    10,994.64x = 90,414,108.29
  5. Step 5: Solve for x
    x = 90,414,108.29/10,994.64
  6. Step 6: Final answer
    x = 8,223.47

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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.