Home / 11,741.02-16,197.62-7,257

Finding the Fourth Proportional to 11,741.02, 16,197.62 and 7,257

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Solution

The fourth proportional to 11,741.02, 16,197.62 and 7,257 is: 10,011.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,741.02 : 16,197.62 = 7,257 : x
  2. Step 2: Convert to fraction form
    11,741.02/16,197.62 = 7,257/x
  3. Step 3: Cross multiply
    11,741.02x = 16,197.62 × 7,257
  4. Step 4: Simplify right side
    11,741.02x = 117,546,128.34
  5. Step 5: Solve for x
    x = 117,546,128.34/11,741.02
  6. Step 6: Final answer
    x = 10,011.58

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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.