Home / 8,441.44-11,645.58-5,457.58

Finding the Fourth Proportional to 8,441.44, 11,645.58 and 5,457.58

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Solution

The fourth proportional to 8,441.44, 11,645.58 and 5,457.58 is: 7,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.44 : 11,645.58 = 5,457.58 : x
  2. Step 2: Convert to fraction form
    8,441.44/11,645.58 = 5,457.58/x
  3. Step 3: Cross multiply
    8,441.44x = 11,645.58 × 5,457.58
  4. Step 4: Simplify right side
    8,441.44x = 63,556,684.50
  5. Step 5: Solve for x
    x = 63,556,684.50/8,441.44
  6. Step 6: Final answer
    x = 7,529.13

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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.