Home / 9,427.20-14,124.60-6,138.60

Finding the Fourth Proportional to 9,427.20, 14,124.60 and 6,138.60

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Solution

The fourth proportional to 9,427.20, 14,124.60 and 6,138.60 is: 9,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.20 : 14,124.60 = 6,138.60 : x
  2. Step 2: Convert to fraction form
    9,427.20/14,124.60 = 6,138.60/x
  3. Step 3: Cross multiply
    9,427.20x = 14,124.60 × 6,138.60
  4. Step 4: Simplify right side
    9,427.20x = 86,705,269.56
  5. Step 5: Solve for x
    x = 86,705,269.56/9,427.20
  6. Step 6: Final answer
    x = 9,197.35

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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.