Home / 7,992.12-11,030.94-5,192.76

Finding the Fourth Proportional to 7,992.12, 11,030.94 and 5,192.76

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Solution

The fourth proportional to 7,992.12, 11,030.94 and 5,192.76 is: 7,167.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.12 : 11,030.94 = 5,192.76 : x
  2. Step 2: Convert to fraction form
    7,992.12/11,030.94 = 5,192.76/x
  3. Step 3: Cross multiply
    7,992.12x = 11,030.94 × 5,192.76
  4. Step 4: Simplify right side
    7,992.12x = 57,281,023.99
  5. Step 5: Solve for x
    x = 57,281,023.99/7,992.12
  6. Step 6: Final answer
    x = 7,167.19

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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.