Home / 11,700.96-17,549.54-3,909.76

Finding the Fourth Proportional to 11,700.96, 17,549.54 and 3,909.76

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Solution

The fourth proportional to 11,700.96, 17,549.54 and 3,909.76 is: 5,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.96 : 17,549.54 = 3,909.76 : x
  2. Step 2: Convert to fraction form
    11,700.96/17,549.54 = 3,909.76/x
  3. Step 3: Cross multiply
    11,700.96x = 17,549.54 × 3,909.76
  4. Step 4: Simplify right side
    11,700.96x = 68,614,489.51
  5. Step 5: Solve for x
    x = 68,614,489.51/11,700.96
  6. Step 6: Final answer
    x = 5,864.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.