Home / 8,718.44-13,072.40-3,518.24

Finding the Fourth Proportional to 8,718.44, 13,072.40 and 3,518.24

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Solution

The fourth proportional to 8,718.44, 13,072.40 and 3,518.24 is: 5,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.44 : 13,072.40 = 3,518.24 : x
  2. Step 2: Convert to fraction form
    8,718.44/13,072.40 = 3,518.24/x
  3. Step 3: Cross multiply
    8,718.44x = 13,072.40 × 3,518.24
  4. Step 4: Simplify right side
    8,718.44x = 45,991,822.98
  5. Step 5: Solve for x
    x = 45,991,822.98/8,718.44
  6. Step 6: Final answer
    x = 5,275.24

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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.