Home / 7,400.14-10,212.36-4,256.50

Finding the Fourth Proportional to 7,400.14, 10,212.36 and 4,256.50

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Solution

The fourth proportional to 7,400.14, 10,212.36 and 4,256.50 is: 5,874.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.14 : 10,212.36 = 4,256.50 : x
  2. Step 2: Convert to fraction form
    7,400.14/10,212.36 = 4,256.50/x
  3. Step 3: Cross multiply
    7,400.14x = 10,212.36 × 4,256.50
  4. Step 4: Simplify right side
    7,400.14x = 43,468,910.34
  5. Step 5: Solve for x
    x = 43,468,910.34/7,400.14
  6. Step 6: Final answer
    x = 5,874.07

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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.