Home / 11,794.58-16,276.18-6,489.40

Finding the Fourth Proportional to 11,794.58, 16,276.18 and 6,489.40

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Solution

The fourth proportional to 11,794.58, 16,276.18 and 6,489.40 is: 8,955.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,794.58 : 16,276.18 = 6,489.40 : x
  2. Step 2: Convert to fraction form
    11,794.58/16,276.18 = 6,489.40/x
  3. Step 3: Cross multiply
    11,794.58x = 16,276.18 × 6,489.40
  4. Step 4: Simplify right side
    11,794.58x = 105,622,642.49
  5. Step 5: Solve for x
    x = 105,622,642.49/11,794.58
  6. Step 6: Final answer
    x = 8,955.18

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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.