Home / 11,748.26-16,211.69-6,443.06

Finding the Fourth Proportional to 11,748.26, 16,211.69 and 6,443.06

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Solution

The fourth proportional to 11,748.26, 16,211.69 and 6,443.06 is: 8,890.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.26 : 16,211.69 = 6,443.06 : x
  2. Step 2: Convert to fraction form
    11,748.26/16,211.69 = 6,443.06/x
  3. Step 3: Cross multiply
    11,748.26x = 16,211.69 × 6,443.06
  4. Step 4: Simplify right side
    11,748.26x = 104,452,929.69
  5. Step 5: Solve for x
    x = 104,452,929.69/11,748.26
  6. Step 6: Final answer
    x = 8,890.93

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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.