Home / 8,845.51-12,201.74-5,527.75

Finding the Fourth Proportional to 8,845.51, 12,201.74 and 5,527.75

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Solution

The fourth proportional to 8,845.51, 12,201.74 and 5,527.75 is: 7,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.51 : 12,201.74 = 5,527.75 : x
  2. Step 2: Convert to fraction form
    8,845.51/12,201.74 = 5,527.75/x
  3. Step 3: Cross multiply
    8,845.51x = 12,201.74 × 5,527.75
  4. Step 4: Simplify right side
    8,845.51x = 67,448,140.65
  5. Step 5: Solve for x
    x = 67,448,140.65/8,845.51
  6. Step 6: Final answer
    x = 7,625.13

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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.