Home / 10,964.80-16,423.72-4,716.64

Finding the Fourth Proportional to 10,964.80, 16,423.72 and 4,716.64

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Solution

The fourth proportional to 10,964.80, 16,423.72 and 4,716.64 is: 7,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.80 : 16,423.72 = 4,716.64 : x
  2. Step 2: Convert to fraction form
    10,964.80/16,423.72 = 4,716.64/x
  3. Step 3: Cross multiply
    10,964.80x = 16,423.72 × 4,716.64
  4. Step 4: Simplify right side
    10,964.80x = 77,464,774.70
  5. Step 5: Solve for x
    x = 77,464,774.70/10,964.80
  6. Step 6: Final answer
    x = 7,064.86

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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.