Home / 10,824.13-16,235.74-6,431.91

Finding the Fourth Proportional to 10,824.13, 16,235.74 and 6,431.91

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Solution

The fourth proportional to 10,824.13, 16,235.74 and 6,431.91 is: 9,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.13 : 16,235.74 = 6,431.91 : x
  2. Step 2: Convert to fraction form
    10,824.13/16,235.74 = 6,431.91/x
  3. Step 3: Cross multiply
    10,824.13x = 16,235.74 × 6,431.91
  4. Step 4: Simplify right side
    10,824.13x = 104,426,765.62
  5. Step 5: Solve for x
    x = 104,426,765.62/10,824.13
  6. Step 6: Final answer
    x = 9,647.59

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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.