Home / 7,992.68-11,031.32-5,011.07

Finding the Fourth Proportional to 7,992.68, 11,031.32 and 5,011.07

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Solution

The fourth proportional to 7,992.68, 11,031.32 and 5,011.07 is: 6,916.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.68 : 11,031.32 = 5,011.07 : x
  2. Step 2: Convert to fraction form
    7,992.68/11,031.32 = 5,011.07/x
  3. Step 3: Cross multiply
    7,992.68x = 11,031.32 × 5,011.07
  4. Step 4: Simplify right side
    7,992.68x = 55,278,719.24
  5. Step 5: Solve for x
    x = 55,278,719.24/7,992.68
  6. Step 6: Final answer
    x = 6,916.17

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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.