Home / 12,088.74-16,682.45-6,784.05

Finding the Fourth Proportional to 12,088.74, 16,682.45 and 6,784.05

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Solution

The fourth proportional to 12,088.74, 16,682.45 and 6,784.05 is: 9,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.74 : 16,682.45 = 6,784.05 : x
  2. Step 2: Convert to fraction form
    12,088.74/16,682.45 = 6,784.05/x
  3. Step 3: Cross multiply
    12,088.74x = 16,682.45 × 6,784.05
  4. Step 4: Simplify right side
    12,088.74x = 113,174,541.00
  5. Step 5: Solve for x
    x = 113,174,541.00/12,088.74
  6. Step 6: Final answer
    x = 9,361.98

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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.