Home / 8,832.44-12,188.27-5,430.75

Finding the Fourth Proportional to 8,832.44, 12,188.27 and 5,430.75

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Solution

The fourth proportional to 8,832.44, 12,188.27 and 5,430.75 is: 7,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.44 : 12,188.27 = 5,430.75 : x
  2. Step 2: Convert to fraction form
    8,832.44/12,188.27 = 5,430.75/x
  3. Step 3: Cross multiply
    8,832.44x = 12,188.27 × 5,430.75
  4. Step 4: Simplify right side
    8,832.44x = 66,191,415.17
  5. Step 5: Solve for x
    x = 66,191,415.17/8,832.44
  6. Step 6: Final answer
    x = 7,494.12

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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.