Home / 7,785.49-11,672.58-3,104.10

Finding the Fourth Proportional to 7,785.49, 11,672.58 and 3,104.10

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Solution

The fourth proportional to 7,785.49, 11,672.58 and 3,104.10 is: 4,653.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.49 : 11,672.58 = 3,104.10 : x
  2. Step 2: Convert to fraction form
    7,785.49/11,672.58 = 3,104.10/x
  3. Step 3: Cross multiply
    7,785.49x = 11,672.58 × 3,104.10
  4. Step 4: Simplify right side
    7,785.49x = 36,232,811.81
  5. Step 5: Solve for x
    x = 36,232,811.81/7,785.49
  6. Step 6: Final answer
    x = 4,653.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.