Home / 7,163.24-9,877.29-4,642.04

Finding the Fourth Proportional to 7,163.24, 9,877.29 and 4,642.04

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Solution

The fourth proportional to 7,163.24, 9,877.29 and 4,642.04 is: 6,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.24 : 9,877.29 = 4,642.04 : x
  2. Step 2: Convert to fraction form
    7,163.24/9,877.29 = 4,642.04/x
  3. Step 3: Cross multiply
    7,163.24x = 9,877.29 × 4,642.04
  4. Step 4: Simplify right side
    7,163.24x = 45,850,725.89
  5. Step 5: Solve for x
    x = 45,850,725.89/7,163.24
  6. Step 6: Final answer
    x = 6,400.84

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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.