Home / 9,110.08-12,584.16-6,764.32

Finding the Fourth Proportional to 9,110.08, 12,584.16 and 6,764.32

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Solution

The fourth proportional to 9,110.08, 12,584.16 and 6,764.32 is: 9,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.08 : 12,584.16 = 6,764.32 : x
  2. Step 2: Convert to fraction form
    9,110.08/12,584.16 = 6,764.32/x
  3. Step 3: Cross multiply
    9,110.08x = 12,584.16 × 6,764.32
  4. Step 4: Simplify right side
    9,110.08x = 85,123,285.17
  5. Step 5: Solve for x
    x = 85,123,285.17/9,110.08
  6. Step 6: Final answer
    x = 9,343.86

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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.