Home / 11,125.24-15,352.84-6,409.52

Finding the Fourth Proportional to 11,125.24, 15,352.84 and 6,409.52

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Solution

The fourth proportional to 11,125.24, 15,352.84 and 6,409.52 is: 8,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.24 : 15,352.84 = 6,409.52 : x
  2. Step 2: Convert to fraction form
    11,125.24/15,352.84 = 6,409.52/x
  3. Step 3: Cross multiply
    11,125.24x = 15,352.84 × 6,409.52
  4. Step 4: Simplify right side
    11,125.24x = 98,404,335.04
  5. Step 5: Solve for x
    x = 98,404,335.04/11,125.24
  6. Step 6: Final answer
    x = 8,845.14

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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.