Home / 9,437.36-14,137.20-5,687.12

Finding the Fourth Proportional to 9,437.36, 14,137.20 and 5,687.12

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Solution

The fourth proportional to 9,437.36, 14,137.20 and 5,687.12 is: 8,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.36 : 14,137.20 = 5,687.12 : x
  2. Step 2: Convert to fraction form
    9,437.36/14,137.20 = 5,687.12/x
  3. Step 3: Cross multiply
    9,437.36x = 14,137.20 × 5,687.12
  4. Step 4: Simplify right side
    9,437.36x = 80,399,952.86
  5. Step 5: Solve for x
    x = 80,399,952.86/9,437.36
  6. Step 6: Final answer
    x = 8,519.33

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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.