Home / 9,724.36-14,588.34-3,148.78

Finding the Fourth Proportional to 9,724.36, 14,588.34 and 3,148.78

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Solution

The fourth proportional to 9,724.36, 14,588.34 and 3,148.78 is: 4,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.36 : 14,588.34 = 3,148.78 : x
  2. Step 2: Convert to fraction form
    9,724.36/14,588.34 = 3,148.78/x
  3. Step 3: Cross multiply
    9,724.36x = 14,588.34 × 3,148.78
  4. Step 4: Simplify right side
    9,724.36x = 45,935,473.23
  5. Step 5: Solve for x
    x = 45,935,473.23/9,724.36
  6. Step 6: Final answer
    x = 4,723.75

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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.