Home / 11,735.78-16,194.98-6,430.47

Finding the Fourth Proportional to 11,735.78, 16,194.98 and 6,430.47

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Solution

The fourth proportional to 11,735.78, 16,194.98 and 6,430.47 is: 8,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,735.78 : 16,194.98 = 6,430.47 : x
  2. Step 2: Convert to fraction form
    11,735.78/16,194.98 = 6,430.47/x
  3. Step 3: Cross multiply
    11,735.78x = 16,194.98 × 6,430.47
  4. Step 4: Simplify right side
    11,735.78x = 104,141,300.89
  5. Step 5: Solve for x
    x = 104,141,300.89/11,735.78
  6. Step 6: Final answer
    x = 8,873.83

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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.