Home / 11,777.13-16,251.30-6,740.28

Finding the Fourth Proportional to 11,777.13, 16,251.30 and 6,740.28

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Solution

The fourth proportional to 11,777.13, 16,251.30 and 6,740.28 is: 9,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.13 : 16,251.30 = 6,740.28 : x
  2. Step 2: Convert to fraction form
    11,777.13/16,251.30 = 6,740.28/x
  3. Step 3: Cross multiply
    11,777.13x = 16,251.30 × 6,740.28
  4. Step 4: Simplify right side
    11,777.13x = 109,538,312.36
  5. Step 5: Solve for x
    x = 109,538,312.36/11,777.13
  6. Step 6: Final answer
    x = 9,300.93

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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.