Home / 12,055.60-18,084.30-4,263.40

Finding the Fourth Proportional to 12,055.60, 18,084.30 and 4,263.40

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Solution

The fourth proportional to 12,055.60, 18,084.30 and 4,263.40 is: 6,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.60 : 18,084.30 = 4,263.40 : x
  2. Step 2: Convert to fraction form
    12,055.60/18,084.30 = 4,263.40/x
  3. Step 3: Cross multiply
    12,055.60x = 18,084.30 × 4,263.40
  4. Step 4: Simplify right side
    12,055.60x = 77,100,604.62
  5. Step 5: Solve for x
    x = 77,100,604.62/12,055.60
  6. Step 6: Final answer
    x = 6,395.42

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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.