Home / 9,724.34-13,418.80-5,474.05

Finding the Fourth Proportional to 9,724.34, 13,418.80 and 5,474.05

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Solution

The fourth proportional to 9,724.34, 13,418.80 and 5,474.05 is: 7,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.34 : 13,418.80 = 5,474.05 : x
  2. Step 2: Convert to fraction form
    9,724.34/13,418.80 = 5,474.05/x
  3. Step 3: Cross multiply
    9,724.34x = 13,418.80 × 5,474.05
  4. Step 4: Simplify right side
    9,724.34x = 73,455,118.13
  5. Step 5: Solve for x
    x = 73,455,118.13/9,724.34
  6. Step 6: Final answer
    x = 7,553.74

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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.