Home / 8,851.53-12,215.55-4,872.60

Finding the Fourth Proportional to 8,851.53, 12,215.55 and 4,872.60

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Solution

The fourth proportional to 8,851.53, 12,215.55 and 4,872.60 is: 6,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.53 : 12,215.55 = 4,872.60 : x
  2. Step 2: Convert to fraction form
    8,851.53/12,215.55 = 4,872.60/x
  3. Step 3: Cross multiply
    8,851.53x = 12,215.55 × 4,872.60
  4. Step 4: Simplify right side
    8,851.53x = 59,521,488.93
  5. Step 5: Solve for x
    x = 59,521,488.93/8,851.53
  6. Step 6: Final answer
    x = 6,724.43

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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.