Home / 11,230.62-15,497.01-6,513.99

Finding the Fourth Proportional to 11,230.62, 15,497.01 and 6,513.99

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Solution

The fourth proportional to 11,230.62, 15,497.01 and 6,513.99 is: 8,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.62 : 15,497.01 = 6,513.99 : x
  2. Step 2: Convert to fraction form
    11,230.62/15,497.01 = 6,513.99/x
  3. Step 3: Cross multiply
    11,230.62x = 15,497.01 × 6,513.99
  4. Step 4: Simplify right side
    11,230.62x = 100,947,368.17
  5. Step 5: Solve for x
    x = 100,947,368.17/11,230.62
  6. Step 6: Final answer
    x = 8,988.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.