Home / 11,309.76-15,607.18-6,273.96

Finding the Fourth Proportional to 11,309.76, 15,607.18 and 6,273.96

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Solution

The fourth proportional to 11,309.76, 15,607.18 and 6,273.96 is: 8,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.76 : 15,607.18 = 6,273.96 : x
  2. Step 2: Convert to fraction form
    11,309.76/15,607.18 = 6,273.96/x
  3. Step 3: Cross multiply
    11,309.76x = 15,607.18 × 6,273.96
  4. Step 4: Simplify right side
    11,309.76x = 97,918,772.35
  5. Step 5: Solve for x
    x = 97,918,772.35/11,309.76
  6. Step 6: Final answer
    x = 8,657.90

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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.