Home / 8,733.75-12,053.42-5,378.54

Finding the Fourth Proportional to 8,733.75, 12,053.42 and 5,378.54

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Solution

The fourth proportional to 8,733.75, 12,053.42 and 5,378.54 is: 7,422.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.75 : 12,053.42 = 5,378.54 : x
  2. Step 2: Convert to fraction form
    8,733.75/12,053.42 = 5,378.54/x
  3. Step 3: Cross multiply
    8,733.75x = 12,053.42 × 5,378.54
  4. Step 4: Simplify right side
    8,733.75x = 64,829,714.45
  5. Step 5: Solve for x
    x = 64,829,714.45/8,733.75
  6. Step 6: Final answer
    x = 7,422.90

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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.