Home / 8,460.68-12,688.54-3,265.36

Finding the Fourth Proportional to 8,460.68, 12,688.54 and 3,265.36

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Solution

The fourth proportional to 8,460.68, 12,688.54 and 3,265.36 is: 4,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.68 : 12,688.54 = 3,265.36 : x
  2. Step 2: Convert to fraction form
    8,460.68/12,688.54 = 3,265.36/x
  3. Step 3: Cross multiply
    8,460.68x = 12,688.54 × 3,265.36
  4. Step 4: Simplify right side
    8,460.68x = 41,432,650.97
  5. Step 5: Solve for x
    x = 41,432,650.97/8,460.68
  6. Step 6: Final answer
    x = 4,897.08

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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.