Home / 9,769.20-14,643.72-4,226.16

Finding the Fourth Proportional to 9,769.20, 14,643.72 and 4,226.16

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Solution

The fourth proportional to 9,769.20, 14,643.72 and 4,226.16 is: 6,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,769.20 : 14,643.72 = 4,226.16 : x
  2. Step 2: Convert to fraction form
    9,769.20/14,643.72 = 4,226.16/x
  3. Step 3: Cross multiply
    9,769.20x = 14,643.72 × 4,226.16
  4. Step 4: Simplify right side
    9,769.20x = 61,886,703.72
  5. Step 5: Solve for x
    x = 61,886,703.72/9,769.20
  6. Step 6: Final answer
    x = 6,334.88

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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.