Home / 13,083.04-19,625.01-5,187.05

Finding the Fourth Proportional to 13,083.04, 19,625.01 and 5,187.05

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Solution

The fourth proportional to 13,083.04, 19,625.01 and 5,187.05 is: 7,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.04 : 19,625.01 = 5,187.05 : x
  2. Step 2: Convert to fraction form
    13,083.04/19,625.01 = 5,187.05/x
  3. Step 3: Cross multiply
    13,083.04x = 19,625.01 × 5,187.05
  4. Step 4: Simplify right side
    13,083.04x = 101,795,908.12
  5. Step 5: Solve for x
    x = 101,795,908.12/13,083.04
  6. Step 6: Final answer
    x = 7,780.75

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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.