Home / 9,643.39-14,466.62-2,978.32

Finding the Fourth Proportional to 9,643.39, 14,466.62 and 2,978.32

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Solution

The fourth proportional to 9,643.39, 14,466.62 and 2,978.32 is: 4,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,643.39 : 14,466.62 = 2,978.32 : x
  2. Step 2: Convert to fraction form
    9,643.39/14,466.62 = 2,978.32/x
  3. Step 3: Cross multiply
    9,643.39x = 14,466.62 × 2,978.32
  4. Step 4: Simplify right side
    9,643.39x = 43,086,223.68
  5. Step 5: Solve for x
    x = 43,086,223.68/9,643.39
  6. Step 6: Final answer
    x = 4,467.95

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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.