Home / 7,485.77-11,229.23-4,366.09

Finding the Fourth Proportional to 7,485.77, 11,229.23 and 4,366.09

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Solution

The fourth proportional to 7,485.77, 11,229.23 and 4,366.09 is: 6,549.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.77 : 11,229.23 = 4,366.09 : x
  2. Step 2: Convert to fraction form
    7,485.77/11,229.23 = 4,366.09/x
  3. Step 3: Cross multiply
    7,485.77x = 11,229.23 × 4,366.09
  4. Step 4: Simplify right side
    7,485.77x = 49,027,828.81
  5. Step 5: Solve for x
    x = 49,027,828.81/7,485.77
  6. Step 6: Final answer
    x = 6,549.47

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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.