Home / 12,236.06-16,885.41-6,931.34

Finding the Fourth Proportional to 12,236.06, 16,885.41 and 6,931.34

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Solution

The fourth proportional to 12,236.06, 16,885.41 and 6,931.34 is: 9,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.06 : 16,885.41 = 6,931.34 : x
  2. Step 2: Convert to fraction form
    12,236.06/16,885.41 = 6,931.34/x
  3. Step 3: Cross multiply
    12,236.06x = 16,885.41 × 6,931.34
  4. Step 4: Simplify right side
    12,236.06x = 117,038,517.75
  5. Step 5: Solve for x
    x = 117,038,517.75/12,236.06
  6. Step 6: Final answer
    x = 9,565.05

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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.