Home / 7,874.83-11,812.40-2,328.17

Finding the Fourth Proportional to 7,874.83, 11,812.40 and 2,328.17

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Solution

The fourth proportional to 7,874.83, 11,812.40 and 2,328.17 is: 3,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874.83 : 11,812.40 = 2,328.17 : x
  2. Step 2: Convert to fraction form
    7,874.83/11,812.40 = 2,328.17/x
  3. Step 3: Cross multiply
    7,874.83x = 11,812.40 × 2,328.17
  4. Step 4: Simplify right side
    7,874.83x = 27,501,246.56
  5. Step 5: Solve for x
    x = 27,501,246.56/7,874.83
  6. Step 6: Final answer
    x = 3,492.30

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1.5x scale

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.