Home / 9,766.76-13,480.54-5,577.44

Finding the Fourth Proportional to 9,766.76, 13,480.54 and 5,577.44

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Solution

The fourth proportional to 9,766.76, 13,480.54 and 5,577.44 is: 7,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.76 : 13,480.54 = 5,577.44 : x
  2. Step 2: Convert to fraction form
    9,766.76/13,480.54 = 5,577.44/x
  3. Step 3: Cross multiply
    9,766.76x = 13,480.54 × 5,577.44
  4. Step 4: Simplify right side
    9,766.76x = 75,186,903.02
  5. Step 5: Solve for x
    x = 75,186,903.02/9,766.76
  6. Step 6: Final answer
    x = 7,698.24

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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.