Home / 11,733.08-16,211.92-11,312.68

Finding the Fourth Proportional to 11,733.08, 16,211.92 and 11,312.68

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Solution

The fourth proportional to 11,733.08, 16,211.92 and 11,312.68 is: 15,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.08 : 16,211.92 = 11,312.68 : x
  2. Step 2: Convert to fraction form
    11,733.08/16,211.92 = 11,312.68/x
  3. Step 3: Cross multiply
    11,733.08x = 16,211.92 × 11,312.68
  4. Step 4: Simplify right side
    11,733.08x = 183,400,263.15
  5. Step 5: Solve for x
    x = 183,400,263.15/11,733.08
  6. Step 6: Final answer
    x = 15,631.04

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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.