Home / 11,309.58-15,607.35-6,273.90

Finding the Fourth Proportional to 11,309.58, 15,607.35 and 6,273.90

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Solution

The fourth proportional to 11,309.58, 15,607.35 and 6,273.90 is: 8,658.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.58 : 15,607.35 = 6,273.90 : x
  2. Step 2: Convert to fraction form
    11,309.58/15,607.35 = 6,273.90/x
  3. Step 3: Cross multiply
    11,309.58x = 15,607.35 × 6,273.90
  4. Step 4: Simplify right side
    11,309.58x = 97,918,953.17
  5. Step 5: Solve for x
    x = 97,918,953.17/11,309.58
  6. Step 6: Final answer
    x = 8,658.05

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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.