Home / 12,088.96-16,683.12-6,783.70

Finding the Fourth Proportional to 12,088.96, 16,683.12 and 6,783.70

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Solution

The fourth proportional to 12,088.96, 16,683.12 and 6,783.70 is: 9,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.96 : 16,683.12 = 6,783.70 : x
  2. Step 2: Convert to fraction form
    12,088.96/16,683.12 = 6,783.70/x
  3. Step 3: Cross multiply
    12,088.96x = 16,683.12 × 6,783.70
  4. Step 4: Simplify right side
    12,088.96x = 113,173,281.14
  5. Step 5: Solve for x
    x = 113,173,281.14/12,088.96
  6. Step 6: Final answer
    x = 9,361.71

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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.