Home / 11,218.24-15,478.32-7,492.96

Finding the Fourth Proportional to 11,218.24, 15,478.32 and 7,492.96

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Solution

The fourth proportional to 11,218.24, 15,478.32 and 7,492.96 is: 10,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.24 : 15,478.32 = 7,492.96 : x
  2. Step 2: Convert to fraction form
    11,218.24/15,478.32 = 7,492.96/x
  3. Step 3: Cross multiply
    11,218.24x = 15,478.32 × 7,492.96
  4. Step 4: Simplify right side
    11,218.24x = 115,978,432.63
  5. Step 5: Solve for x
    x = 115,978,432.63/11,218.24
  6. Step 6: Final answer
    x = 10,338.38

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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.