Home / 8,382.29-12,561.08-3,697.99

Finding the Fourth Proportional to 8,382.29, 12,561.08 and 3,697.99

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Solution

The fourth proportional to 8,382.29, 12,561.08 and 3,697.99 is: 5,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.29 : 12,561.08 = 3,697.99 : x
  2. Step 2: Convert to fraction form
    8,382.29/12,561.08 = 3,697.99/x
  3. Step 3: Cross multiply
    8,382.29x = 12,561.08 × 3,697.99
  4. Step 4: Simplify right side
    8,382.29x = 46,450,698.34
  5. Step 5: Solve for x
    x = 46,450,698.34/8,382.29
  6. Step 6: Final answer
    x = 5,541.53

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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.