Home / 11,923.46-16,454.43-6,618.32

Finding the Fourth Proportional to 11,923.46, 16,454.43 and 6,618.32

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Solution

The fourth proportional to 11,923.46, 16,454.43 and 6,618.32 is: 9,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.46 : 16,454.43 = 6,618.32 : x
  2. Step 2: Convert to fraction form
    11,923.46/16,454.43 = 6,618.32/x
  3. Step 3: Cross multiply
    11,923.46x = 16,454.43 × 6,618.32
  4. Step 4: Simplify right side
    11,923.46x = 108,900,683.16
  5. Step 5: Solve for x
    x = 108,900,683.16/11,923.46
  6. Step 6: Final answer
    x = 9,133.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.