Home / 8,240.82-11,370.69-4,886.16

Finding the Fourth Proportional to 8,240.82, 11,370.69 and 4,886.16

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Solution

The fourth proportional to 8,240.82, 11,370.69 and 4,886.16 is: 6,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.82 : 11,370.69 = 4,886.16 : x
  2. Step 2: Convert to fraction form
    8,240.82/11,370.69 = 4,886.16/x
  3. Step 3: Cross multiply
    8,240.82x = 11,370.69 × 4,886.16
  4. Step 4: Simplify right side
    8,240.82x = 55,559,010.65
  5. Step 5: Solve for x
    x = 55,559,010.65/8,240.82
  6. Step 6: Final answer
    x = 6,741.93

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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.