Home / 9,702.44-13,390.36-5,724.84

Finding the Fourth Proportional to 9,702.44, 13,390.36 and 5,724.84

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Solution

The fourth proportional to 9,702.44, 13,390.36 and 5,724.84 is: 7,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.44 : 13,390.36 = 5,724.84 : x
  2. Step 2: Convert to fraction form
    9,702.44/13,390.36 = 5,724.84/x
  3. Step 3: Cross multiply
    9,702.44x = 13,390.36 × 5,724.84
  4. Step 4: Simplify right side
    9,702.44x = 76,657,668.54
  5. Step 5: Solve for x
    x = 76,657,668.54/9,702.44
  6. Step 6: Final answer
    x = 7,900.86

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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.