Home / 10,461.72-15,690.25-3,066.75

Finding the Fourth Proportional to 10,461.72, 15,690.25 and 3,066.75

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Solution

The fourth proportional to 10,461.72, 15,690.25 and 3,066.75 is: 4,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.72 : 15,690.25 = 3,066.75 : x
  2. Step 2: Convert to fraction form
    10,461.72/15,690.25 = 3,066.75/x
  3. Step 3: Cross multiply
    10,461.72x = 15,690.25 × 3,066.75
  4. Step 4: Simplify right side
    10,461.72x = 48,118,074.19
  5. Step 5: Solve for x
    x = 48,118,074.19/10,461.72
  6. Step 6: Final answer
    x = 4,599.44

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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.