Home / 11,790.76-16,264.46-7,072.30

Finding the Fourth Proportional to 11,790.76, 16,264.46 and 7,072.30

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Solution

The fourth proportional to 11,790.76, 16,264.46 and 7,072.30 is: 9,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,790.76 : 16,264.46 = 7,072.30 : x
  2. Step 2: Convert to fraction form
    11,790.76/16,264.46 = 7,072.30/x
  3. Step 3: Cross multiply
    11,790.76x = 16,264.46 × 7,072.30
  4. Step 4: Simplify right side
    11,790.76x = 115,027,140.46
  5. Step 5: Solve for x
    x = 115,027,140.46/11,790.76
  6. Step 6: Final answer
    x = 9,755.70

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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.