Home / 8,961.74-12,367.06-4,982.36

Finding the Fourth Proportional to 8,961.74, 12,367.06 and 4,982.36

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Solution

The fourth proportional to 8,961.74, 12,367.06 and 4,982.36 is: 6,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.74 : 12,367.06 = 4,982.36 : x
  2. Step 2: Convert to fraction form
    8,961.74/12,367.06 = 4,982.36/x
  3. Step 3: Cross multiply
    8,961.74x = 12,367.06 × 4,982.36
  4. Step 4: Simplify right side
    8,961.74x = 61,617,145.06
  5. Step 5: Solve for x
    x = 61,617,145.06/8,961.74
  6. Step 6: Final answer
    x = 6,875.58

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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.