Home / 11,055.20-15,255.68-6,019.29

Finding the Fourth Proportional to 11,055.20, 15,255.68 and 6,019.29

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Solution

The fourth proportional to 11,055.20, 15,255.68 and 6,019.29 is: 8,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.20 : 15,255.68 = 6,019.29 : x
  2. Step 2: Convert to fraction form
    11,055.20/15,255.68 = 6,019.29/x
  3. Step 3: Cross multiply
    11,055.20x = 15,255.68 × 6,019.29
  4. Step 4: Simplify right side
    11,055.20x = 91,828,362.07
  5. Step 5: Solve for x
    x = 91,828,362.07/11,055.20
  6. Step 6: Final answer
    x = 8,306.35

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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.