Home / 11,774.07-17,638.55-11,378.36

Finding the Fourth Proportional to 11,774.07, 17,638.55 and 11,378.36

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Solution

The fourth proportional to 11,774.07, 17,638.55 and 11,378.36 is: 17,045.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.07 : 17,638.55 = 11,378.36 : x
  2. Step 2: Convert to fraction form
    11,774.07/17,638.55 = 11,378.36/x
  3. Step 3: Cross multiply
    11,774.07x = 17,638.55 × 11,378.36
  4. Step 4: Simplify right side
    11,774.07x = 200,697,626.69
  5. Step 5: Solve for x
    x = 200,697,626.69/11,774.07
  6. Step 6: Final answer
    x = 17,045.73

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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.