Home / 11,357.67-15,671.19-6,641.04

Finding the Fourth Proportional to 11,357.67, 15,671.19 and 6,641.04

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Solution

The fourth proportional to 11,357.67, 15,671.19 and 6,641.04 is: 9,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.67 : 15,671.19 = 6,641.04 : x
  2. Step 2: Convert to fraction form
    11,357.67/15,671.19 = 6,641.04/x
  3. Step 3: Cross multiply
    11,357.67x = 15,671.19 × 6,641.04
  4. Step 4: Simplify right side
    11,357.67x = 104,072,999.64
  5. Step 5: Solve for x
    x = 104,072,999.64/11,357.67
  6. Step 6: Final answer
    x = 9,163.24

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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.