Home / 11,482.57-17,221.59-3,160.45

Finding the Fourth Proportional to 11,482.57, 17,221.59 and 3,160.45

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Solution

The fourth proportional to 11,482.57, 17,221.59 and 3,160.45 is: 4,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,482.57 : 17,221.59 = 3,160.45 : x
  2. Step 2: Convert to fraction form
    11,482.57/17,221.59 = 3,160.45/x
  3. Step 3: Cross multiply
    11,482.57x = 17,221.59 × 3,160.45
  4. Step 4: Simplify right side
    11,482.57x = 54,427,974.12
  5. Step 5: Solve for x
    x = 54,427,974.12/11,482.57
  6. Step 6: Final answer
    x = 4,740.05

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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.