Home / 7,903.10-11,856.36-2,356.90

Finding the Fourth Proportional to 7,903.10, 11,856.36 and 2,356.90

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Solution

The fourth proportional to 7,903.10, 11,856.36 and 2,356.90 is: 3,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.10 : 11,856.36 = 2,356.90 : x
  2. Step 2: Convert to fraction form
    7,903.10/11,856.36 = 2,356.90/x
  3. Step 3: Cross multiply
    7,903.10x = 11,856.36 × 2,356.90
  4. Step 4: Simplify right side
    7,903.10x = 27,944,234.08
  5. Step 5: Solve for x
    x = 27,944,234.08/7,903.10
  6. Step 6: Final answer
    x = 3,535.86

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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.