Home / 10,309.01-15,451.54-4,750.69

Finding the Fourth Proportional to 10,309.01, 15,451.54 and 4,750.69

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Solution

The fourth proportional to 10,309.01, 15,451.54 and 4,750.69 is: 7,120.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,309.01 : 15,451.54 = 4,750.69 : x
  2. Step 2: Convert to fraction form
    10,309.01/15,451.54 = 4,750.69/x
  3. Step 3: Cross multiply
    10,309.01x = 15,451.54 × 4,750.69
  4. Step 4: Simplify right side
    10,309.01x = 73,405,476.56
  5. Step 5: Solve for x
    x = 73,405,476.56/10,309.01
  6. Step 6: Final answer
    x = 7,120.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.