Home / 9,403.24-12,977.38-5,212.52

Finding the Fourth Proportional to 9,403.24, 12,977.38 and 5,212.52

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Solution

The fourth proportional to 9,403.24, 12,977.38 and 5,212.52 is: 7,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.24 : 12,977.38 = 5,212.52 : x
  2. Step 2: Convert to fraction form
    9,403.24/12,977.38 = 5,212.52/x
  3. Step 3: Cross multiply
    9,403.24x = 12,977.38 × 5,212.52
  4. Step 4: Simplify right side
    9,403.24x = 67,644,852.80
  5. Step 5: Solve for x
    x = 67,644,852.80/9,403.24
  6. Step 6: Final answer
    x = 7,193.78

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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.