Home / 8,650.02-12,883.20-8,110.56

Finding the Fourth Proportional to 8,650.02, 12,883.20 and 8,110.56

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Solution

The fourth proportional to 8,650.02, 12,883.20 and 8,110.56 is: 12,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.02 : 12,883.20 = 8,110.56 : x
  2. Step 2: Convert to fraction form
    8,650.02/12,883.20 = 8,110.56/x
  3. Step 3: Cross multiply
    8,650.02x = 12,883.20 × 8,110.56
  4. Step 4: Simplify right side
    8,650.02x = 104,489,966.59
  5. Step 5: Solve for x
    x = 104,489,966.59/8,650.02
  6. Step 6: Final answer
    x = 12,079.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.