Home / 8,323.56-11,466.44-7,124.72

Finding the Fourth Proportional to 8,323.56, 11,466.44 and 7,124.72

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Solution

The fourth proportional to 8,323.56, 11,466.44 and 7,124.72 is: 9,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323.56 : 11,466.44 = 7,124.72 : x
  2. Step 2: Convert to fraction form
    8,323.56/11,466.44 = 7,124.72/x
  3. Step 3: Cross multiply
    8,323.56x = 11,466.44 × 7,124.72
  4. Step 4: Simplify right side
    8,323.56x = 81,695,174.40
  5. Step 5: Solve for x
    x = 81,695,174.40/8,323.56
  6. Step 6: Final answer
    x = 9,814.93

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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.