Home / 10,482.62-15,720.58-3,461.32

Finding the Fourth Proportional to 10,482.62, 15,720.58 and 3,461.32

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Solution

The fourth proportional to 10,482.62, 15,720.58 and 3,461.32 is: 5,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.62 : 15,720.58 = 3,461.32 : x
  2. Step 2: Convert to fraction form
    10,482.62/15,720.58 = 3,461.32/x
  3. Step 3: Cross multiply
    10,482.62x = 15,720.58 × 3,461.32
  4. Step 4: Simplify right side
    10,482.62x = 54,413,893.51
  5. Step 5: Solve for x
    x = 54,413,893.51/10,482.62
  6. Step 6: Final answer
    x = 5,190.87

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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.