Home / 7,617.77-11,421.29-2,933.86

Finding the Fourth Proportional to 7,617.77, 11,421.29 and 2,933.86

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Solution

The fourth proportional to 7,617.77, 11,421.29 and 2,933.86 is: 4,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.77 : 11,421.29 = 2,933.86 : x
  2. Step 2: Convert to fraction form
    7,617.77/11,421.29 = 2,933.86/x
  3. Step 3: Cross multiply
    7,617.77x = 11,421.29 × 2,933.86
  4. Step 4: Simplify right side
    7,617.77x = 33,508,444.66
  5. Step 5: Solve for x
    x = 33,508,444.66/7,617.77
  6. Step 6: Final answer
    x = 4,398.72

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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.