Home / 6,926.08-9,558.12-3,782.40

Finding the Fourth Proportional to 6,926.08, 9,558.12 and 3,782.40

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Solution

The fourth proportional to 6,926.08, 9,558.12 and 3,782.40 is: 5,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.08 : 9,558.12 = 3,782.40 : x
  2. Step 2: Convert to fraction form
    6,926.08/9,558.12 = 3,782.40/x
  3. Step 3: Cross multiply
    6,926.08x = 9,558.12 × 3,782.40
  4. Step 4: Simplify right side
    6,926.08x = 36,152,633.09
  5. Step 5: Solve for x
    x = 36,152,633.09/6,926.08
  6. Step 6: Final answer
    x = 5,219.78

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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.