Home / 12,147.48-16,763.22-6,841.98

Finding the Fourth Proportional to 12,147.48, 16,763.22 and 6,841.98

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Solution

The fourth proportional to 12,147.48, 16,763.22 and 6,841.98 is: 9,441.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147.48 : 16,763.22 = 6,841.98 : x
  2. Step 2: Convert to fraction form
    12,147.48/16,763.22 = 6,841.98/x
  3. Step 3: Cross multiply
    12,147.48x = 16,763.22 × 6,841.98
  4. Step 4: Simplify right side
    12,147.48x = 114,693,615.98
  5. Step 5: Solve for x
    x = 114,693,615.98/12,147.48
  6. Step 6: Final answer
    x = 9,441.76

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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.