Home / 7,923.63-10,949.10-7,539.33

Finding the Fourth Proportional to 7,923.63, 10,949.10 and 7,539.33

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Solution

The fourth proportional to 7,923.63, 10,949.10 and 7,539.33 is: 10,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.63 : 10,949.10 = 7,539.33 : x
  2. Step 2: Convert to fraction form
    7,923.63/10,949.10 = 7,539.33/x
  3. Step 3: Cross multiply
    7,923.63x = 10,949.10 × 7,539.33
  4. Step 4: Simplify right side
    7,923.63x = 82,548,878.10
  5. Step 5: Solve for x
    x = 82,548,878.10/7,923.63
  6. Step 6: Final answer
    x = 10,418.06

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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.