Home / 7,213.16-10,818.48-3,317.24

Finding the Fourth Proportional to 7,213.16, 10,818.48 and 3,317.24

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Solution

The fourth proportional to 7,213.16, 10,818.48 and 3,317.24 is: 4,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.16 : 10,818.48 = 3,317.24 : x
  2. Step 2: Convert to fraction form
    7,213.16/10,818.48 = 3,317.24/x
  3. Step 3: Cross multiply
    7,213.16x = 10,818.48 × 3,317.24
  4. Step 4: Simplify right side
    7,213.16x = 35,887,494.60
  5. Step 5: Solve for x
    x = 35,887,494.60/7,213.16
  6. Step 6: Final answer
    x = 4,975.28

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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.