Home / 8,197.26-12,264.75-4,979.58

Finding the Fourth Proportional to 8,197.26, 12,264.75 and 4,979.58

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Solution

The fourth proportional to 8,197.26, 12,264.75 and 4,979.58 is: 7,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.26 : 12,264.75 = 4,979.58 : x
  2. Step 2: Convert to fraction form
    8,197.26/12,264.75 = 4,979.58/x
  3. Step 3: Cross multiply
    8,197.26x = 12,264.75 × 4,979.58
  4. Step 4: Simplify right side
    8,197.26x = 61,073,303.81
  5. Step 5: Solve for x
    x = 61,073,303.81/8,197.26
  6. Step 6: Final answer
    x = 7,450.45

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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.