Home / 8,570.82-11,826.38-4,986.58

Finding the Fourth Proportional to 8,570.82, 11,826.38 and 4,986.58

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Solution

The fourth proportional to 8,570.82, 11,826.38 and 4,986.58 is: 6,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.82 : 11,826.38 = 4,986.58 : x
  2. Step 2: Convert to fraction form
    8,570.82/11,826.38 = 4,986.58/x
  3. Step 3: Cross multiply
    8,570.82x = 11,826.38 × 4,986.58
  4. Step 4: Simplify right side
    8,570.82x = 58,973,189.98
  5. Step 5: Solve for x
    x = 58,973,189.98/8,570.82
  6. Step 6: Final answer
    x = 6,880.69

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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.