Home / 7,875.73-11,817.69-3,492.17

Finding the Fourth Proportional to 7,875.73, 11,817.69 and 3,492.17

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Solution

The fourth proportional to 7,875.73, 11,817.69 and 3,492.17 is: 5,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.73 : 11,817.69 = 3,492.17 : x
  2. Step 2: Convert to fraction form
    7,875.73/11,817.69 = 3,492.17/x
  3. Step 3: Cross multiply
    7,875.73x = 11,817.69 × 3,492.17
  4. Step 4: Simplify right side
    7,875.73x = 41,269,382.49
  5. Step 5: Solve for x
    x = 41,269,382.49/7,875.73
  6. Step 6: Final answer
    x = 5,240.07

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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.