Home / 7,442.84-11,168.94-2,762.36

Finding the Fourth Proportional to 7,442.84, 11,168.94 and 2,762.36

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Solution

The fourth proportional to 7,442.84, 11,168.94 and 2,762.36 is: 4,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.84 : 11,168.94 = 2,762.36 : x
  2. Step 2: Convert to fraction form
    7,442.84/11,168.94 = 2,762.36/x
  3. Step 3: Cross multiply
    7,442.84x = 11,168.94 × 2,762.36
  4. Step 4: Simplify right side
    7,442.84x = 30,852,633.10
  5. Step 5: Solve for x
    x = 30,852,633.10/7,442.84
  6. Step 6: Final answer
    x = 4,145.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.