Home / 10,243.47-15,363.40-2,848.50

Finding the Fourth Proportional to 10,243.47, 15,363.40 and 2,848.50

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Solution

The fourth proportional to 10,243.47, 15,363.40 and 2,848.50 is: 4,272.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.47 : 15,363.40 = 2,848.50 : x
  2. Step 2: Convert to fraction form
    10,243.47/15,363.40 = 2,848.50/x
  3. Step 3: Cross multiply
    10,243.47x = 15,363.40 × 2,848.50
  4. Step 4: Simplify right side
    10,243.47x = 43,762,644.90
  5. Step 5: Solve for x
    x = 43,762,644.90/10,243.47
  6. Step 6: Final answer
    x = 4,272.25

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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.