Home / 7,902.92-11,856.47-2,356.31

Finding the Fourth Proportional to 7,902.92, 11,856.47 and 2,356.31

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Solution

The fourth proportional to 7,902.92, 11,856.47 and 2,356.31 is: 3,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.92 : 11,856.47 = 2,356.31 : x
  2. Step 2: Convert to fraction form
    7,902.92/11,856.47 = 2,356.31/x
  3. Step 3: Cross multiply
    7,902.92x = 11,856.47 × 2,356.31
  4. Step 4: Simplify right side
    7,902.92x = 27,937,447.76
  5. Step 5: Solve for x
    x = 27,937,447.76/7,902.92
  6. Step 6: Final answer
    x = 3,535.08

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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.