Home / 6,912.56-10,354.68-4,684.40

Finding the Fourth Proportional to 6,912.56, 10,354.68 and 4,684.40

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Solution

The fourth proportional to 6,912.56, 10,354.68 and 4,684.40 is: 7,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.56 : 10,354.68 = 4,684.40 : x
  2. Step 2: Convert to fraction form
    6,912.56/10,354.68 = 4,684.40/x
  3. Step 3: Cross multiply
    6,912.56x = 10,354.68 × 4,684.40
  4. Step 4: Simplify right side
    6,912.56x = 48,505,462.99
  5. Step 5: Solve for x
    x = 48,505,462.99/6,912.56
  6. Step 6: Final answer
    x = 7,017.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.