Home / 7,823.40-11,735.13-2,276.76

Finding the Fourth Proportional to 7,823.40, 11,735.13 and 2,276.76

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Solution

The fourth proportional to 7,823.40, 11,735.13 and 2,276.76 is: 3,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.40 : 11,735.13 = 2,276.76 : x
  2. Step 2: Convert to fraction form
    7,823.40/11,735.13 = 2,276.76/x
  3. Step 3: Cross multiply
    7,823.40x = 11,735.13 × 2,276.76
  4. Step 4: Simplify right side
    7,823.40x = 26,718,074.58
  5. Step 5: Solve for x
    x = 26,718,074.58/7,823.40
  6. Step 6: Final answer
    x = 3,415.15

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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.