Home / 7,928.96-11,886.12-2,733.68

Finding the Fourth Proportional to 7,928.96, 11,886.12 and 2,733.68

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Solution

The fourth proportional to 7,928.96, 11,886.12 and 2,733.68 is: 4,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.96 : 11,886.12 = 2,733.68 : x
  2. Step 2: Convert to fraction form
    7,928.96/11,886.12 = 2,733.68/x
  3. Step 3: Cross multiply
    7,928.96x = 11,886.12 × 2,733.68
  4. Step 4: Simplify right side
    7,928.96x = 32,492,848.52
  5. Step 5: Solve for x
    x = 32,492,848.52/7,928.96
  6. Step 6: Final answer
    x = 4,098.00

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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.