Home / 9,167.30-12,650.87-4,975.55

Finding the Fourth Proportional to 9,167.30, 12,650.87 and 4,975.55

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Solution

The fourth proportional to 9,167.30, 12,650.87 and 4,975.55 is: 6,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.30 : 12,650.87 = 4,975.55 : x
  2. Step 2: Convert to fraction form
    9,167.30/12,650.87 = 4,975.55/x
  3. Step 3: Cross multiply
    9,167.30x = 12,650.87 × 4,975.55
  4. Step 4: Simplify right side
    9,167.30x = 62,945,032.85
  5. Step 5: Solve for x
    x = 62,945,032.85/9,167.30
  6. Step 6: Final answer
    x = 6,866.26

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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.