Home / 9,995.91-13,794.30-5,519.63

Finding the Fourth Proportional to 9,995.91, 13,794.30 and 5,519.63

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Solution

The fourth proportional to 9,995.91, 13,794.30 and 5,519.63 is: 7,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.91 : 13,794.30 = 5,519.63 : x
  2. Step 2: Convert to fraction form
    9,995.91/13,794.30 = 5,519.63/x
  3. Step 3: Cross multiply
    9,995.91x = 13,794.30 × 5,519.63
  4. Step 4: Simplify right side
    9,995.91x = 76,139,432.11
  5. Step 5: Solve for x
    x = 76,139,432.11/9,995.91
  6. Step 6: Final answer
    x = 7,617.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.