Home / 10,959.69-16,451.24-4,722.78

Finding the Fourth Proportional to 10,959.69, 16,451.24 and 4,722.78

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Solution

The fourth proportional to 10,959.69, 16,451.24 and 4,722.78 is: 7,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.69 : 16,451.24 = 4,722.78 : x
  2. Step 2: Convert to fraction form
    10,959.69/16,451.24 = 4,722.78/x
  3. Step 3: Cross multiply
    10,959.69x = 16,451.24 × 4,722.78
  4. Step 4: Simplify right side
    10,959.69x = 77,695,563.63
  5. Step 5: Solve for x
    x = 77,695,563.63/10,959.69
  6. Step 6: Final answer
    x = 7,089.21

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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.