Home / 9,427.60-14,140.92-3,190.60

Finding the Fourth Proportional to 9,427.60, 14,140.92 and 3,190.60

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Solution

The fourth proportional to 9,427.60, 14,140.92 and 3,190.60 is: 4,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.60 : 14,140.92 = 3,190.60 : x
  2. Step 2: Convert to fraction form
    9,427.60/14,140.92 = 3,190.60/x
  3. Step 3: Cross multiply
    9,427.60x = 14,140.92 × 3,190.60
  4. Step 4: Simplify right side
    9,427.60x = 45,118,019.35
  5. Step 5: Solve for x
    x = 45,118,019.35/9,427.60
  6. Step 6: Final answer
    x = 4,785.74

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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.