Home / 11,782.26-17,681.48-4,856.76

Finding the Fourth Proportional to 11,782.26, 17,681.48 and 4,856.76

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Solution

The fourth proportional to 11,782.26, 17,681.48 and 4,856.76 is: 7,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.26 : 17,681.48 = 4,856.76 : x
  2. Step 2: Convert to fraction form
    11,782.26/17,681.48 = 4,856.76/x
  3. Step 3: Cross multiply
    11,782.26x = 17,681.48 × 4,856.76
  4. Step 4: Simplify right side
    11,782.26x = 85,874,704.80
  5. Step 5: Solve for x
    x = 85,874,704.80/11,782.26
  6. Step 6: Final answer
    x = 7,288.47

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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.