Home / 10,983.15-15,156-6,267.33

Finding the Fourth Proportional to 10,983.15, 15,156 and 6,267.33

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Solution

The fourth proportional to 10,983.15, 15,156 and 6,267.33 is: 8,648.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,983.15 : 15,156 = 6,267.33 : x
  2. Step 2: Convert to fraction form
    10,983.15/15,156 = 6,267.33/x
  3. Step 3: Cross multiply
    10,983.15x = 15,156 × 6,267.33
  4. Step 4: Simplify right side
    10,983.15x = 94,987,653.48
  5. Step 5: Solve for x
    x = 94,987,653.48/10,983.15
  6. Step 6: Final answer
    x = 8,648.49

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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.