Home / 11,272.20-16,915.77-4,698.42

Finding the Fourth Proportional to 11,272.20, 16,915.77 and 4,698.42

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Solution

The fourth proportional to 11,272.20, 16,915.77 and 4,698.42 is: 7,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.20 : 16,915.77 = 4,698.42 : x
  2. Step 2: Convert to fraction form
    11,272.20/16,915.77 = 4,698.42/x
  3. Step 3: Cross multiply
    11,272.20x = 16,915.77 × 4,698.42
  4. Step 4: Simplify right side
    11,272.20x = 79,477,392.08
  5. Step 5: Solve for x
    x = 79,477,392.08/11,272.20
  6. Step 6: Final answer
    x = 7,050.74

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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.