Home / 9,764.20-14,646.30-2,838.70

Finding the Fourth Proportional to 9,764.20, 14,646.30 and 2,838.70

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Solution

The fourth proportional to 9,764.20, 14,646.30 and 2,838.70 is: 4,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.20 : 14,646.30 = 2,838.70 : x
  2. Step 2: Convert to fraction form
    9,764.20/14,646.30 = 2,838.70/x
  3. Step 3: Cross multiply
    9,764.20x = 14,646.30 × 2,838.70
  4. Step 4: Simplify right side
    9,764.20x = 41,576,451.81
  5. Step 5: Solve for x
    x = 41,576,451.81/9,764.20
  6. Step 6: Final answer
    x = 4,258.05

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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.