Home / 9,927.75-13,702.77-5,738.43

Finding the Fourth Proportional to 9,927.75, 13,702.77 and 5,738.43

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Solution

The fourth proportional to 9,927.75, 13,702.77 and 5,738.43 is: 7,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.75 : 13,702.77 = 5,738.43 : x
  2. Step 2: Convert to fraction form
    9,927.75/13,702.77 = 5,738.43/x
  3. Step 3: Cross multiply
    9,927.75x = 13,702.77 × 5,738.43
  4. Step 4: Simplify right side
    9,927.75x = 78,632,386.45
  5. Step 5: Solve for x
    x = 78,632,386.45/9,927.75
  6. Step 6: Final answer
    x = 7,920.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.