Home / 7,917.18-10,926.03-4,380.33

Finding the Fourth Proportional to 7,917.18, 10,926.03 and 4,380.33

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Solution

The fourth proportional to 7,917.18, 10,926.03 and 4,380.33 is: 6,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.18 : 10,926.03 = 4,380.33 : x
  2. Step 2: Convert to fraction form
    7,917.18/10,926.03 = 4,380.33/x
  3. Step 3: Cross multiply
    7,917.18x = 10,926.03 × 4,380.33
  4. Step 4: Simplify right side
    7,917.18x = 47,859,616.99
  5. Step 5: Solve for x
    x = 47,859,616.99/7,917.18
  6. Step 6: Final answer
    x = 6,045.03

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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.