Home / 10,957.88-16,438.80-3,167.12

Finding the Fourth Proportional to 10,957.88, 16,438.80 and 3,167.12

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Solution

The fourth proportional to 10,957.88, 16,438.80 and 3,167.12 is: 4,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.88 : 16,438.80 = 3,167.12 : x
  2. Step 2: Convert to fraction form
    10,957.88/16,438.80 = 3,167.12/x
  3. Step 3: Cross multiply
    10,957.88x = 16,438.80 × 3,167.12
  4. Step 4: Simplify right side
    10,957.88x = 52,063,652.26
  5. Step 5: Solve for x
    x = 52,063,652.26/10,957.88
  6. Step 6: Final answer
    x = 4,751.25

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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.