Home / 11,746.08-17,633.52-8,071.92

Finding the Fourth Proportional to 11,746.08, 17,633.52 and 8,071.92

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Solution

The fourth proportional to 11,746.08, 17,633.52 and 8,071.92 is: 12,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.08 : 17,633.52 = 8,071.92 : x
  2. Step 2: Convert to fraction form
    11,746.08/17,633.52 = 8,071.92/x
  3. Step 3: Cross multiply
    11,746.08x = 17,633.52 × 8,071.92
  4. Step 4: Simplify right side
    11,746.08x = 142,336,362.76
  5. Step 5: Solve for x
    x = 142,336,362.76/11,746.08
  6. Step 6: Final answer
    x = 12,117.78

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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.