Home / 12,214.67-16,856.28-7,733.75

Finding the Fourth Proportional to 12,214.67, 16,856.28 and 7,733.75

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Solution

The fourth proportional to 12,214.67, 16,856.28 and 7,733.75 is: 10,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,214.67 : 16,856.28 = 7,733.75 : x
  2. Step 2: Convert to fraction form
    12,214.67/16,856.28 = 7,733.75/x
  3. Step 3: Cross multiply
    12,214.67x = 16,856.28 × 7,733.75
  4. Step 4: Simplify right side
    12,214.67x = 130,362,255.45
  5. Step 5: Solve for x
    x = 130,362,255.45/12,214.67
  6. Step 6: Final answer
    x = 10,672.60

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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.