Home / 11,309.67-15,606.79-6,273.49

Finding the Fourth Proportional to 11,309.67, 15,606.79 and 6,273.49

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Solution

The fourth proportional to 11,309.67, 15,606.79 and 6,273.49 is: 8,657.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.67 : 15,606.79 = 6,273.49 : x
  2. Step 2: Convert to fraction form
    11,309.67/15,606.79 = 6,273.49/x
  3. Step 3: Cross multiply
    11,309.67x = 15,606.79 × 6,273.49
  4. Step 4: Simplify right side
    11,309.67x = 97,909,041.00
  5. Step 5: Solve for x
    x = 97,909,041.00/11,309.67
  6. Step 6: Final answer
    x = 8,657.11

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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.