Home / 9,908.88-13,674.60-5,432.64

Finding the Fourth Proportional to 9,908.88, 13,674.60 and 5,432.64

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Solution

The fourth proportional to 9,908.88, 13,674.60 and 5,432.64 is: 7,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908.88 : 13,674.60 = 5,432.64 : x
  2. Step 2: Convert to fraction form
    9,908.88/13,674.60 = 5,432.64/x
  3. Step 3: Cross multiply
    9,908.88x = 13,674.60 × 5,432.64
  4. Step 4: Simplify right side
    9,908.88x = 74,289,178.94
  5. Step 5: Solve for x
    x = 74,289,178.94/9,908.88
  6. Step 6: Final answer
    x = 7,497.23

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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.