Home / 8,057.75-11,115.40-4,699.34

Finding the Fourth Proportional to 8,057.75, 11,115.40 and 4,699.34

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Solution

The fourth proportional to 8,057.75, 11,115.40 and 4,699.34 is: 6,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057.75 : 11,115.40 = 4,699.34 : x
  2. Step 2: Convert to fraction form
    8,057.75/11,115.40 = 4,699.34/x
  3. Step 3: Cross multiply
    8,057.75x = 11,115.40 × 4,699.34
  4. Step 4: Simplify right side
    8,057.75x = 52,235,043.84
  5. Step 5: Solve for x
    x = 52,235,043.84/8,057.75
  6. Step 6: Final answer
    x = 6,482.58

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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.