Home / 8,619.19-11,895.77-5,263.94

Finding the Fourth Proportional to 8,619.19, 11,895.77 and 5,263.94

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Solution

The fourth proportional to 8,619.19, 11,895.77 and 5,263.94 is: 7,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.19 : 11,895.77 = 5,263.94 : x
  2. Step 2: Convert to fraction form
    8,619.19/11,895.77 = 5,263.94/x
  3. Step 3: Cross multiply
    8,619.19x = 11,895.77 × 5,263.94
  4. Step 4: Simplify right side
    8,619.19x = 62,618,560.05
  5. Step 5: Solve for x
    x = 62,618,560.05/8,619.19
  6. Step 6: Final answer
    x = 7,265.02

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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.