Home / 10,900.91-16,353.74-4,326.95

Finding the Fourth Proportional to 10,900.91, 16,353.74 and 4,326.95

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Solution

The fourth proportional to 10,900.91, 16,353.74 and 4,326.95 is: 6,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.91 : 16,353.74 = 4,326.95 : x
  2. Step 2: Convert to fraction form
    10,900.91/16,353.74 = 4,326.95/x
  3. Step 3: Cross multiply
    10,900.91x = 16,353.74 × 4,326.95
  4. Step 4: Simplify right side
    10,900.91x = 70,761,866.99
  5. Step 5: Solve for x
    x = 70,761,866.99/10,900.91
  6. Step 6: Final answer
    x = 6,491.37

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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.