Home / 9,939.99-13,716.50-5,463.63

Finding the Fourth Proportional to 9,939.99, 13,716.50 and 5,463.63

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Solution

The fourth proportional to 9,939.99, 13,716.50 and 5,463.63 is: 7,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.99 : 13,716.50 = 5,463.63 : x
  2. Step 2: Convert to fraction form
    9,939.99/13,716.50 = 5,463.63/x
  3. Step 3: Cross multiply
    9,939.99x = 13,716.50 × 5,463.63
  4. Step 4: Simplify right side
    9,939.99x = 74,941,853.58
  5. Step 5: Solve for x
    x = 74,941,853.58/9,939.99
  6. Step 6: Final answer
    x = 7,539.43

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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.