Home / 7,932.72-10,946.79-4,395.90

Finding the Fourth Proportional to 7,932.72, 10,946.79 and 4,395.90

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Solution

The fourth proportional to 7,932.72, 10,946.79 and 4,395.90 is: 6,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.72 : 10,946.79 = 4,395.90 : x
  2. Step 2: Convert to fraction form
    7,932.72/10,946.79 = 4,395.90/x
  3. Step 3: Cross multiply
    7,932.72x = 10,946.79 × 4,395.90
  4. Step 4: Simplify right side
    7,932.72x = 48,120,994.16
  5. Step 5: Solve for x
    x = 48,120,994.16/7,932.72
  6. Step 6: Final answer
    x = 6,066.14

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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.