Home / 8,280.98-11,427.59-4,504.08

Finding the Fourth Proportional to 8,280.98, 11,427.59 and 4,504.08

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Solution

The fourth proportional to 8,280.98, 11,427.59 and 4,504.08 is: 6,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.98 : 11,427.59 = 4,504.08 : x
  2. Step 2: Convert to fraction form
    8,280.98/11,427.59 = 4,504.08/x
  3. Step 3: Cross multiply
    8,280.98x = 11,427.59 × 4,504.08
  4. Step 4: Simplify right side
    8,280.98x = 51,470,833.68
  5. Step 5: Solve for x
    x = 51,470,833.68/8,280.98
  6. Step 6: Final answer
    x = 6,215.55

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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.