Home / 9,909.36-13,674.87-5,433.12

Finding the Fourth Proportional to 9,909.36, 13,674.87 and 5,433.12

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Solution

The fourth proportional to 9,909.36, 13,674.87 and 5,433.12 is: 7,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.36 : 13,674.87 = 5,433.12 : x
  2. Step 2: Convert to fraction form
    9,909.36/13,674.87 = 5,433.12/x
  3. Step 3: Cross multiply
    9,909.36x = 13,674.87 × 5,433.12
  4. Step 4: Simplify right side
    9,909.36x = 74,297,209.69
  5. Step 5: Solve for x
    x = 74,297,209.69/9,909.36
  6. Step 6: Final answer
    x = 7,497.68

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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.