Home / 9,457.73-13,049.67-5,478.60

Finding the Fourth Proportional to 9,457.73, 13,049.67 and 5,478.60

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Solution

The fourth proportional to 9,457.73, 13,049.67 and 5,478.60 is: 7,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.73 : 13,049.67 = 5,478.60 : x
  2. Step 2: Convert to fraction form
    9,457.73/13,049.67 = 5,478.60/x
  3. Step 3: Cross multiply
    9,457.73x = 13,049.67 × 5,478.60
  4. Step 4: Simplify right side
    9,457.73x = 71,493,922.06
  5. Step 5: Solve for x
    x = 71,493,922.06/9,457.73
  6. Step 6: Final answer
    x = 7,559.31

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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.