Home / 11,785.87-16,258.01-7,471.07

Finding the Fourth Proportional to 11,785.87, 16,258.01 and 7,471.07

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Solution

The fourth proportional to 11,785.87, 16,258.01 and 7,471.07 is: 10,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.87 : 16,258.01 = 7,471.07 : x
  2. Step 2: Convert to fraction form
    11,785.87/16,258.01 = 7,471.07/x
  3. Step 3: Cross multiply
    11,785.87x = 16,258.01 × 7,471.07
  4. Step 4: Simplify right side
    11,785.87x = 121,464,730.77
  5. Step 5: Solve for x
    x = 121,464,730.77/11,785.87
  6. Step 6: Final answer
    x = 10,305.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.