Home / 8,977.37-12,394.49-6,149.52

Finding the Fourth Proportional to 8,977.37, 12,394.49 and 6,149.52

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Solution

The fourth proportional to 8,977.37, 12,394.49 and 6,149.52 is: 8,490.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.37 : 12,394.49 = 6,149.52 : x
  2. Step 2: Convert to fraction form
    8,977.37/12,394.49 = 6,149.52/x
  3. Step 3: Cross multiply
    8,977.37x = 12,394.49 × 6,149.52
  4. Step 4: Simplify right side
    8,977.37x = 76,220,133.40
  5. Step 5: Solve for x
    x = 76,220,133.40/8,977.37
  6. Step 6: Final answer
    x = 8,490.26

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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.