Home / 11,372.12-15,693.52-6,337.32

Finding the Fourth Proportional to 11,372.12, 15,693.52 and 6,337.32

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Solution

The fourth proportional to 11,372.12, 15,693.52 and 6,337.32 is: 8,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.12 : 15,693.52 = 6,337.32 : x
  2. Step 2: Convert to fraction form
    11,372.12/15,693.52 = 6,337.32/x
  3. Step 3: Cross multiply
    11,372.12x = 15,693.52 × 6,337.32
  4. Step 4: Simplify right side
    11,372.12x = 99,454,858.17
  5. Step 5: Solve for x
    x = 99,454,858.17/11,372.12
  6. Step 6: Final answer
    x = 8,745.50

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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.