Home / 10,243.14-15,364.80-2,848.20

Finding the Fourth Proportional to 10,243.14, 15,364.80 and 2,848.20

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Solution

The fourth proportional to 10,243.14, 15,364.80 and 2,848.20 is: 4,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.14 : 15,364.80 = 2,848.20 : x
  2. Step 2: Convert to fraction form
    10,243.14/15,364.80 = 2,848.20/x
  3. Step 3: Cross multiply
    10,243.14x = 15,364.80 × 2,848.20
  4. Step 4: Simplify right side
    10,243.14x = 43,762,023.36
  5. Step 5: Solve for x
    x = 43,762,023.36/10,243.14
  6. Step 6: Final answer
    x = 4,272.33

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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.