Home / 10,466.78-15,701.58-3,071.78

Finding the Fourth Proportional to 10,466.78, 15,701.58 and 3,071.78

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Solution

The fourth proportional to 10,466.78, 15,701.58 and 3,071.78 is: 4,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.78 : 15,701.58 = 3,071.78 : x
  2. Step 2: Convert to fraction form
    10,466.78/15,701.58 = 3,071.78/x
  3. Step 3: Cross multiply
    10,466.78x = 15,701.58 × 3,071.78
  4. Step 4: Simplify right side
    10,466.78x = 48,231,799.41
  5. Step 5: Solve for x
    x = 48,231,799.41/10,466.78
  6. Step 6: Final answer
    x = 4,608.08

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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.