Home / 12,035.60-18,043.80-5,104.40

Finding the Fourth Proportional to 12,035.60, 18,043.80 and 5,104.40

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Solution

The fourth proportional to 12,035.60, 18,043.80 and 5,104.40 is: 7,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.60 : 18,043.80 = 5,104.40 : x
  2. Step 2: Convert to fraction form
    12,035.60/18,043.80 = 5,104.40/x
  3. Step 3: Cross multiply
    12,035.60x = 18,043.80 × 5,104.40
  4. Step 4: Simplify right side
    12,035.60x = 92,102,772.72
  5. Step 5: Solve for x
    x = 92,102,772.72/12,035.60
  6. Step 6: Final answer
    x = 7,652.53

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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.