Home / 7,402.36-10,214.94-4,045.12

Finding the Fourth Proportional to 7,402.36, 10,214.94 and 4,045.12

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Solution

The fourth proportional to 7,402.36, 10,214.94 and 4,045.12 is: 5,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.36 : 10,214.94 = 4,045.12 : x
  2. Step 2: Convert to fraction form
    7,402.36/10,214.94 = 4,045.12/x
  3. Step 3: Cross multiply
    7,402.36x = 10,214.94 × 4,045.12
  4. Step 4: Simplify right side
    7,402.36x = 41,320,658.09
  5. Step 5: Solve for x
    x = 41,320,658.09/7,402.36
  6. Step 6: Final answer
    x = 5,582.09

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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.