Home / 9,721.90-14,574.30-5,763.40

Finding the Fourth Proportional to 9,721.90, 14,574.30 and 5,763.40

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Solution

The fourth proportional to 9,721.90, 14,574.30 and 5,763.40 is: 8,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.90 : 14,574.30 = 5,763.40 : x
  2. Step 2: Convert to fraction form
    9,721.90/14,574.30 = 5,763.40/x
  3. Step 3: Cross multiply
    9,721.90x = 14,574.30 × 5,763.40
  4. Step 4: Simplify right side
    9,721.90x = 83,997,520.62
  5. Step 5: Solve for x
    x = 83,997,520.62/9,721.90
  6. Step 6: Final answer
    x = 8,640.03

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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.