Home / 11,640.36-16,069.14-7,451.04

Finding the Fourth Proportional to 11,640.36, 16,069.14 and 7,451.04

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Solution

The fourth proportional to 11,640.36, 16,069.14 and 7,451.04 is: 10,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.36 : 16,069.14 = 7,451.04 : x
  2. Step 2: Convert to fraction form
    11,640.36/16,069.14 = 7,451.04/x
  3. Step 3: Cross multiply
    11,640.36x = 16,069.14 × 7,451.04
  4. Step 4: Simplify right side
    11,640.36x = 119,731,804.91
  5. Step 5: Solve for x
    x = 119,731,804.91/11,640.36
  6. Step 6: Final answer
    x = 10,285.92

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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.