Home / 7,929.28-10,942.46-4,344.42

Finding the Fourth Proportional to 7,929.28, 10,942.46 and 4,344.42

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Solution

The fourth proportional to 7,929.28, 10,942.46 and 4,344.42 is: 5,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.28 : 10,942.46 = 4,344.42 : x
  2. Step 2: Convert to fraction form
    7,929.28/10,942.46 = 4,344.42/x
  3. Step 3: Cross multiply
    7,929.28x = 10,942.46 × 4,344.42
  4. Step 4: Simplify right side
    7,929.28x = 47,538,642.07
  5. Step 5: Solve for x
    x = 47,538,642.07/7,929.28
  6. Step 6: Final answer
    x = 5,995.33

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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.