Home / 9,163.88-12,641.70-5,435.24

Finding the Fourth Proportional to 9,163.88, 12,641.70 and 5,435.24

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Solution

The fourth proportional to 9,163.88, 12,641.70 and 5,435.24 is: 7,497.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.88 : 12,641.70 = 5,435.24 : x
  2. Step 2: Convert to fraction form
    9,163.88/12,641.70 = 5,435.24/x
  3. Step 3: Cross multiply
    9,163.88x = 12,641.70 × 5,435.24
  4. Step 4: Simplify right side
    9,163.88x = 68,710,673.51
  5. Step 5: Solve for x
    x = 68,710,673.51/9,163.88
  6. Step 6: Final answer
    x = 7,497.99

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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.