Home / 12,232.68-16,876.35-8,652.90

Finding the Fourth Proportional to 12,232.68, 16,876.35 and 8,652.90

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Solution

The fourth proportional to 12,232.68, 16,876.35 and 8,652.90 is: 11,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.68 : 16,876.35 = 8,652.90 : x
  2. Step 2: Convert to fraction form
    12,232.68/16,876.35 = 8,652.90/x
  3. Step 3: Cross multiply
    12,232.68x = 16,876.35 × 8,652.90
  4. Step 4: Simplify right side
    12,232.68x = 146,029,368.92
  5. Step 5: Solve for x
    x = 146,029,368.92/12,232.68
  6. Step 6: Final answer
    x = 11,937.64

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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.