Home / 8,515.02-12,772.54-2,672.10

Finding the Fourth Proportional to 8,515.02, 12,772.54 and 2,672.10

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Solution

The fourth proportional to 8,515.02, 12,772.54 and 2,672.10 is: 4,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.02 : 12,772.54 = 2,672.10 : x
  2. Step 2: Convert to fraction form
    8,515.02/12,772.54 = 2,672.10/x
  3. Step 3: Cross multiply
    8,515.02x = 12,772.54 × 2,672.10
  4. Step 4: Simplify right side
    8,515.02x = 34,129,504.13
  5. Step 5: Solve for x
    x = 34,129,504.13/8,515.02
  6. Step 6: Final answer
    x = 4,008.15

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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.