Home / 8,502.48-11,733.84-5,145.36

Finding the Fourth Proportional to 8,502.48, 11,733.84 and 5,145.36

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Solution

The fourth proportional to 8,502.48, 11,733.84 and 5,145.36 is: 7,100.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.48 : 11,733.84 = 5,145.36 : x
  2. Step 2: Convert to fraction form
    8,502.48/11,733.84 = 5,145.36/x
  3. Step 3: Cross multiply
    8,502.48x = 11,733.84 × 5,145.36
  4. Step 4: Simplify right side
    8,502.48x = 60,374,830.98
  5. Step 5: Solve for x
    x = 60,374,830.98/8,502.48
  6. Step 6: Final answer
    x = 7,100.85

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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.