Home / 10,932.76-15,060.84-8,693.92

Finding the Fourth Proportional to 10,932.76, 15,060.84 and 8,693.92

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Solution

The fourth proportional to 10,932.76, 15,060.84 and 8,693.92 is: 11,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.76 : 15,060.84 = 8,693.92 : x
  2. Step 2: Convert to fraction form
    10,932.76/15,060.84 = 8,693.92/x
  3. Step 3: Cross multiply
    10,932.76x = 15,060.84 × 8,693.92
  4. Step 4: Simplify right side
    10,932.76x = 130,937,738.09
  5. Step 5: Solve for x
    x = 130,937,738.09/10,932.76
  6. Step 6: Final answer
    x = 11,976.64

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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.