Home / 7,212.30-9,953.64-4,525.44

Finding the Fourth Proportional to 7,212.30, 9,953.64 and 4,525.44

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Solution

The fourth proportional to 7,212.30, 9,953.64 and 4,525.44 is: 6,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.30 : 9,953.64 = 4,525.44 : x
  2. Step 2: Convert to fraction form
    7,212.30/9,953.64 = 4,525.44/x
  3. Step 3: Cross multiply
    7,212.30x = 9,953.64 × 4,525.44
  4. Step 4: Simplify right side
    7,212.30x = 45,044,600.60
  5. Step 5: Solve for x
    x = 45,044,600.60/7,212.30
  6. Step 6: Final answer
    x = 6,245.53

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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.