Home / 9,124.37-13,712.20-5,427.26

Finding the Fourth Proportional to 9,124.37, 13,712.20 and 5,427.26

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Solution

The fourth proportional to 9,124.37, 13,712.20 and 5,427.26 is: 8,156.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.37 : 13,712.20 = 5,427.26 : x
  2. Step 2: Convert to fraction form
    9,124.37/13,712.20 = 5,427.26/x
  3. Step 3: Cross multiply
    9,124.37x = 13,712.20 × 5,427.26
  4. Step 4: Simplify right side
    9,124.37x = 74,419,674.57
  5. Step 5: Solve for x
    x = 74,419,674.57/9,124.37
  6. Step 6: Final answer
    x = 8,156.14

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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.