Home / 6,853.74-10,280.62-4,389.72

Finding the Fourth Proportional to 6,853.74, 10,280.62 and 4,389.72

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Solution

The fourth proportional to 6,853.74, 10,280.62 and 4,389.72 is: 6,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.74 : 10,280.62 = 4,389.72 : x
  2. Step 2: Convert to fraction form
    6,853.74/10,280.62 = 4,389.72/x
  3. Step 3: Cross multiply
    6,853.74x = 10,280.62 × 4,389.72
  4. Step 4: Simplify right side
    6,853.74x = 45,129,043.23
  5. Step 5: Solve for x
    x = 45,129,043.23/6,853.74
  6. Step 6: Final answer
    x = 6,584.59

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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.