Home / 10,243.78-15,365.67-5,858.16

Finding the Fourth Proportional to 10,243.78, 15,365.67 and 5,858.16

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Solution

The fourth proportional to 10,243.78, 15,365.67 and 5,858.16 is: 8,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.78 : 15,365.67 = 5,858.16 : x
  2. Step 2: Convert to fraction form
    10,243.78/15,365.67 = 5,858.16/x
  3. Step 3: Cross multiply
    10,243.78x = 15,365.67 × 5,858.16
  4. Step 4: Simplify right side
    10,243.78x = 90,014,553.37
  5. Step 5: Solve for x
    x = 90,014,553.37/10,243.78
  6. Step 6: Final answer
    x = 8,787.24

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1.5x scale

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.