Home / 7,035.09-9,704.37-4,478.12

Finding the Fourth Proportional to 7,035.09, 9,704.37 and 4,478.12

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Solution

The fourth proportional to 7,035.09, 9,704.37 and 4,478.12 is: 6,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.09 : 9,704.37 = 4,478.12 : x
  2. Step 2: Convert to fraction form
    7,035.09/9,704.37 = 4,478.12/x
  3. Step 3: Cross multiply
    7,035.09x = 9,704.37 × 4,478.12
  4. Step 4: Simplify right side
    7,035.09x = 43,457,333.38
  5. Step 5: Solve for x
    x = 43,457,333.38/7,035.09
  6. Step 6: Final answer
    x = 6,177.22

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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.