Home / 12,235.39-18,352.41-3,470.32

Finding the Fourth Proportional to 12,235.39, 18,352.41 and 3,470.32

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Solution

The fourth proportional to 12,235.39, 18,352.41 and 3,470.32 is: 5,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.39 : 18,352.41 = 3,470.32 : x
  2. Step 2: Convert to fraction form
    12,235.39/18,352.41 = 3,470.32/x
  3. Step 3: Cross multiply
    12,235.39x = 18,352.41 × 3,470.32
  4. Step 4: Simplify right side
    12,235.39x = 63,688,735.47
  5. Step 5: Solve for x
    x = 63,688,735.47/12,235.39
  6. Step 6: Final answer
    x = 5,205.29

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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.