Home / 8,813.97-13,215.63-4,135.01

Finding the Fourth Proportional to 8,813.97, 13,215.63 and 4,135.01

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Solution

The fourth proportional to 8,813.97, 13,215.63 and 4,135.01 is: 6,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.97 : 13,215.63 = 4,135.01 : x
  2. Step 2: Convert to fraction form
    8,813.97/13,215.63 = 4,135.01/x
  3. Step 3: Cross multiply
    8,813.97x = 13,215.63 × 4,135.01
  4. Step 4: Simplify right side
    8,813.97x = 54,646,696.13
  5. Step 5: Solve for x
    x = 54,646,696.13/8,813.97
  6. Step 6: Final answer
    x = 6,200.01

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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.