Home / 12,235.32-18,352.92-3,470.16

Finding the Fourth Proportional to 12,235.32, 18,352.92 and 3,470.16

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Solution

The fourth proportional to 12,235.32, 18,352.92 and 3,470.16 is: 5,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235.32 : 18,352.92 = 3,470.16 : x
  2. Step 2: Convert to fraction form
    12,235.32/18,352.92 = 3,470.16/x
  3. Step 3: Cross multiply
    12,235.32x = 18,352.92 × 3,470.16
  4. Step 4: Simplify right side
    12,235.32x = 63,687,568.87
  5. Step 5: Solve for x
    x = 63,687,568.87/12,235.32
  6. Step 6: Final answer
    x = 5,205.22

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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.