Home / 8,724.48-13,073.96-5,427.56

Finding the Fourth Proportional to 8,724.48, 13,073.96 and 5,427.56

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Solution

The fourth proportional to 8,724.48, 13,073.96 and 5,427.56 is: 8,133.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.48 : 13,073.96 = 5,427.56 : x
  2. Step 2: Convert to fraction form
    8,724.48/13,073.96 = 5,427.56/x
  3. Step 3: Cross multiply
    8,724.48x = 13,073.96 × 5,427.56
  4. Step 4: Simplify right side
    8,724.48x = 70,959,702.34
  5. Step 5: Solve for x
    x = 70,959,702.34/8,724.48
  6. Step 6: Final answer
    x = 8,133.40

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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.