Home / 9,811.70-14,721.48-3,572.14

Finding the Fourth Proportional to 9,811.70, 14,721.48 and 3,572.14

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Solution

The fourth proportional to 9,811.70, 14,721.48 and 3,572.14 is: 5,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.70 : 14,721.48 = 3,572.14 : x
  2. Step 2: Convert to fraction form
    9,811.70/14,721.48 = 3,572.14/x
  3. Step 3: Cross multiply
    9,811.70x = 14,721.48 × 3,572.14
  4. Step 4: Simplify right side
    9,811.70x = 52,587,219.77
  5. Step 5: Solve for x
    x = 52,587,219.77/9,811.70
  6. Step 6: Final answer
    x = 5,359.64

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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.