Home / 11,554.10-15,960.46-8,934.56

Finding the Fourth Proportional to 11,554.10, 15,960.46 and 8,934.56

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Solution

The fourth proportional to 11,554.10, 15,960.46 and 8,934.56 is: 12,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554.10 : 15,960.46 = 8,934.56 : x
  2. Step 2: Convert to fraction form
    11,554.10/15,960.46 = 8,934.56/x
  3. Step 3: Cross multiply
    11,554.10x = 15,960.46 × 8,934.56
  4. Step 4: Simplify right side
    11,554.10x = 142,599,687.50
  5. Step 5: Solve for x
    x = 142,599,687.50/11,554.10
  6. Step 6: Final answer
    x = 12,341.91

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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.