Home / 12,370.60-18,548.22-4,976.20

Finding the Fourth Proportional to 12,370.60, 18,548.22 and 4,976.20

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Solution

The fourth proportional to 12,370.60, 18,548.22 and 4,976.20 is: 7,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.60 : 18,548.22 = 4,976.20 : x
  2. Step 2: Convert to fraction form
    12,370.60/18,548.22 = 4,976.20/x
  3. Step 3: Cross multiply
    12,370.60x = 18,548.22 × 4,976.20
  4. Step 4: Simplify right side
    12,370.60x = 92,299,652.36
  5. Step 5: Solve for x
    x = 92,299,652.36/12,370.60
  6. Step 6: Final answer
    x = 7,461.21

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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.