Home / 11,720.36-17,575.80-4,323.18

Finding the Fourth Proportional to 11,720.36, 17,575.80 and 4,323.18

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Solution

The fourth proportional to 11,720.36, 17,575.80 and 4,323.18 is: 6,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.36 : 17,575.80 = 4,323.18 : x
  2. Step 2: Convert to fraction form
    11,720.36/17,575.80 = 4,323.18/x
  3. Step 3: Cross multiply
    11,720.36x = 17,575.80 × 4,323.18
  4. Step 4: Simplify right side
    11,720.36x = 75,983,269.97
  5. Step 5: Solve for x
    x = 75,983,269.97/11,720.36
  6. Step 6: Final answer
    x = 6,483.02

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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.