Home / 8,789.84-13,173.12-5,268.48

Finding the Fourth Proportional to 8,789.84, 13,173.12 and 5,268.48

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Solution

The fourth proportional to 8,789.84, 13,173.12 and 5,268.48 is: 7,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.84 : 13,173.12 = 5,268.48 : x
  2. Step 2: Convert to fraction form
    8,789.84/13,173.12 = 5,268.48/x
  3. Step 3: Cross multiply
    8,789.84x = 13,173.12 × 5,268.48
  4. Step 4: Simplify right side
    8,789.84x = 69,402,319.26
  5. Step 5: Solve for x
    x = 69,402,319.26/8,789.84
  6. Step 6: Final answer
    x = 7,895.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.