Home / 8,722.58-13,085.00-3,175.07

Finding the Fourth Proportional to 8,722.58, 13,085.00 and 3,175.07

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Solution

The fourth proportional to 8,722.58, 13,085.00 and 3,175.07 is: 4,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.58 : 13,085.00 = 3,175.07 : x
  2. Step 2: Convert to fraction form
    8,722.58/13,085.00 = 3,175.07/x
  3. Step 3: Cross multiply
    8,722.58x = 13,085.00 × 3,175.07
  4. Step 4: Simplify right side
    8,722.58x = 41,545,775.07
  5. Step 5: Solve for x
    x = 41,545,775.07/8,722.58
  6. Step 6: Final answer
    x = 4,763.01

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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.