Home / 11,851.02-17,749.62-8,356.68

Finding the Fourth Proportional to 11,851.02, 17,749.62 and 8,356.68

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Solution

The fourth proportional to 11,851.02, 17,749.62 and 8,356.68 is: 12,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,851.02 : 17,749.62 = 8,356.68 : x
  2. Step 2: Convert to fraction form
    11,851.02/17,749.62 = 8,356.68/x
  3. Step 3: Cross multiply
    11,851.02x = 17,749.62 × 8,356.68
  4. Step 4: Simplify right side
    11,851.02x = 148,327,894.46
  5. Step 5: Solve for x
    x = 148,327,894.46/11,851.02
  6. Step 6: Final answer
    x = 12,516.04

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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.