Home / 11,205.28-15,466.98-6,494.32

Finding the Fourth Proportional to 11,205.28, 15,466.98 and 6,494.32

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Solution

The fourth proportional to 11,205.28, 15,466.98 and 6,494.32 is: 8,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.28 : 15,466.98 = 6,494.32 : x
  2. Step 2: Convert to fraction form
    11,205.28/15,466.98 = 6,494.32/x
  3. Step 3: Cross multiply
    11,205.28x = 15,466.98 × 6,494.32
  4. Step 4: Simplify right side
    11,205.28x = 100,447,517.55
  5. Step 5: Solve for x
    x = 100,447,517.55/11,205.28
  6. Step 6: Final answer
    x = 8,964.30

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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.