Home / 7,929.54-10,942.38-4,392.48

Finding the Fourth Proportional to 7,929.54, 10,942.38 and 4,392.48

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Solution

The fourth proportional to 7,929.54, 10,942.38 and 4,392.48 is: 6,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.54 : 10,942.38 = 4,392.48 : x
  2. Step 2: Convert to fraction form
    7,929.54/10,942.38 = 4,392.48/x
  3. Step 3: Cross multiply
    7,929.54x = 10,942.38 × 4,392.48
  4. Step 4: Simplify right side
    7,929.54x = 48,064,185.30
  5. Step 5: Solve for x
    x = 48,064,185.30/7,929.54
  6. Step 6: Final answer
    x = 6,061.41

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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.