Home / 11,539.08-15,921.36-7,062.48

Finding the Fourth Proportional to 11,539.08, 15,921.36 and 7,062.48

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Solution

The fourth proportional to 11,539.08, 15,921.36 and 7,062.48 is: 9,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,539.08 : 15,921.36 = 7,062.48 : x
  2. Step 2: Convert to fraction form
    11,539.08/15,921.36 = 7,062.48/x
  3. Step 3: Cross multiply
    11,539.08x = 15,921.36 × 7,062.48
  4. Step 4: Simplify right side
    11,539.08x = 112,444,286.57
  5. Step 5: Solve for x
    x = 112,444,286.57/11,539.08
  6. Step 6: Final answer
    x = 9,744.65

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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.