Home / 12,873.84-19,310.52-5,483.28

Finding the Fourth Proportional to 12,873.84, 19,310.52 and 5,483.28

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Solution

The fourth proportional to 12,873.84, 19,310.52 and 5,483.28 is: 8,224.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.84 : 19,310.52 = 5,483.28 : x
  2. Step 2: Convert to fraction form
    12,873.84/19,310.52 = 5,483.28/x
  3. Step 3: Cross multiply
    12,873.84x = 19,310.52 × 5,483.28
  4. Step 4: Simplify right side
    12,873.84x = 105,884,988.11
  5. Step 5: Solve for x
    x = 105,884,988.11/12,873.84
  6. Step 6: Final answer
    x = 8,224.82

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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.