Home / 11,542.96-15,928.40-6,826.32

Finding the Fourth Proportional to 11,542.96, 15,928.40 and 6,826.32

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Solution

The fourth proportional to 11,542.96, 15,928.40 and 6,826.32 is: 9,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.96 : 15,928.40 = 6,826.32 : x
  2. Step 2: Convert to fraction form
    11,542.96/15,928.40 = 6,826.32/x
  3. Step 3: Cross multiply
    11,542.96x = 15,928.40 × 6,826.32
  4. Step 4: Simplify right side
    11,542.96x = 108,732,355.49
  5. Step 5: Solve for x
    x = 108,732,355.49/11,542.96
  6. Step 6: Final answer
    x = 9,419.80

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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.