Home / 7,917.75-10,926.90-4,774.14

Finding the Fourth Proportional to 7,917.75, 10,926.90 and 4,774.14

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Solution

The fourth proportional to 7,917.75, 10,926.90 and 4,774.14 is: 6,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.75 : 10,926.90 = 4,774.14 : x
  2. Step 2: Convert to fraction form
    7,917.75/10,926.90 = 4,774.14/x
  3. Step 3: Cross multiply
    7,917.75x = 10,926.90 × 4,774.14
  4. Step 4: Simplify right side
    7,917.75x = 52,166,550.37
  5. Step 5: Solve for x
    x = 52,166,550.37/7,917.75
  6. Step 6: Final answer
    x = 6,588.56

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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.