Home / 11,806.45-16,293.20-6,501.31

Finding the Fourth Proportional to 11,806.45, 16,293.20 and 6,501.31

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Solution

The fourth proportional to 11,806.45, 16,293.20 and 6,501.31 is: 8,971.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,806.45 : 16,293.20 = 6,501.31 : x
  2. Step 2: Convert to fraction form
    11,806.45/16,293.20 = 6,501.31/x
  3. Step 3: Cross multiply
    11,806.45x = 16,293.20 × 6,501.31
  4. Step 4: Simplify right side
    11,806.45x = 105,927,070.85
  5. Step 5: Solve for x
    x = 105,927,070.85/11,806.45
  6. Step 6: Final answer
    x = 8,971.97

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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.