Home / 8,725.58-12,037.40-5,892.05

Finding the Fourth Proportional to 8,725.58, 12,037.40 and 5,892.05

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Solution

The fourth proportional to 8,725.58, 12,037.40 and 5,892.05 is: 8,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.58 : 12,037.40 = 5,892.05 : x
  2. Step 2: Convert to fraction form
    8,725.58/12,037.40 = 5,892.05/x
  3. Step 3: Cross multiply
    8,725.58x = 12,037.40 × 5,892.05
  4. Step 4: Simplify right side
    8,725.58x = 70,924,917.21
  5. Step 5: Solve for x
    x = 70,924,917.21/8,725.58
  6. Step 6: Final answer
    x = 8,128.39

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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.