Home / 9,775.06-13,489.66-5,525.94

Finding the Fourth Proportional to 9,775.06, 13,489.66 and 5,525.94

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Solution

The fourth proportional to 9,775.06, 13,489.66 and 5,525.94 is: 7,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.06 : 13,489.66 = 5,525.94 : x
  2. Step 2: Convert to fraction form
    9,775.06/13,489.66 = 5,525.94/x
  3. Step 3: Cross multiply
    9,775.06x = 13,489.66 × 5,525.94
  4. Step 4: Simplify right side
    9,775.06x = 74,543,051.78
  5. Step 5: Solve for x
    x = 74,543,051.78/9,775.06
  6. Step 6: Final answer
    x = 7,625.84

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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.