Home / 9,995.43-13,793.81-5,519.18

Finding the Fourth Proportional to 9,995.43, 13,793.81 and 5,519.18

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Solution

The fourth proportional to 9,995.43, 13,793.81 and 5,519.18 is: 7,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.43 : 13,793.81 = 5,519.18 : x
  2. Step 2: Convert to fraction form
    9,995.43/13,793.81 = 5,519.18/x
  3. Step 3: Cross multiply
    9,995.43x = 13,793.81 × 5,519.18
  4. Step 4: Simplify right side
    9,995.43x = 76,130,423.71
  5. Step 5: Solve for x
    x = 76,130,423.71/9,995.43
  6. Step 6: Final answer
    x = 7,616.52

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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.