Home / 10,249.64-14,145.84-5,774.25

Finding the Fourth Proportional to 10,249.64, 14,145.84 and 5,774.25

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Solution

The fourth proportional to 10,249.64, 14,145.84 and 5,774.25 is: 7,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,249.64 : 14,145.84 = 5,774.25 : x
  2. Step 2: Convert to fraction form
    10,249.64/14,145.84 = 5,774.25/x
  3. Step 3: Cross multiply
    10,249.64x = 14,145.84 × 5,774.25
  4. Step 4: Simplify right side
    10,249.64x = 81,681,651.98
  5. Step 5: Solve for x
    x = 81,681,651.98/10,249.64
  6. Step 6: Final answer
    x = 7,969.22

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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.