Home / 10,428.22-15,632.60-3,852.64

Finding the Fourth Proportional to 10,428.22, 15,632.60 and 3,852.64

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Solution

The fourth proportional to 10,428.22, 15,632.60 and 3,852.64 is: 5,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,428.22 : 15,632.60 = 3,852.64 : x
  2. Step 2: Convert to fraction form
    10,428.22/15,632.60 = 3,852.64/x
  3. Step 3: Cross multiply
    10,428.22x = 15,632.60 × 3,852.64
  4. Step 4: Simplify right side
    10,428.22x = 60,226,701.90
  5. Step 5: Solve for x
    x = 60,226,701.90/10,428.22
  6. Step 6: Final answer
    x = 5,775.36

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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.