Home / 7,903.18-11,856.87-2,356.54

Finding the Fourth Proportional to 7,903.18, 11,856.87 and 2,356.54

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Solution

The fourth proportional to 7,903.18, 11,856.87 and 2,356.54 is: 3,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.18 : 11,856.87 = 2,356.54 : x
  2. Step 2: Convert to fraction form
    7,903.18/11,856.87 = 2,356.54/x
  3. Step 3: Cross multiply
    7,903.18x = 11,856.87 × 2,356.54
  4. Step 4: Simplify right side
    7,903.18x = 27,941,188.43
  5. Step 5: Solve for x
    x = 27,941,188.43/7,903.18
  6. Step 6: Final answer
    x = 3,535.44

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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.