Home / 8,301.75-11,457.72-5,317.44

Finding the Fourth Proportional to 8,301.75, 11,457.72 and 5,317.44

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Solution

The fourth proportional to 8,301.75, 11,457.72 and 5,317.44 is: 7,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301.75 : 11,457.72 = 5,317.44 : x
  2. Step 2: Convert to fraction form
    8,301.75/11,457.72 = 5,317.44/x
  3. Step 3: Cross multiply
    8,301.75x = 11,457.72 × 5,317.44
  4. Step 4: Simplify right side
    8,301.75x = 60,925,738.64
  5. Step 5: Solve for x
    x = 60,925,738.64/8,301.75
  6. Step 6: Final answer
    x = 7,338.90

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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.