Home / 11,587.12-17,381.64-3,795.76

Finding the Fourth Proportional to 11,587.12, 17,381.64 and 3,795.76

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Solution

The fourth proportional to 11,587.12, 17,381.64 and 3,795.76 is: 5,693.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,587.12 : 17,381.64 = 3,795.76 : x
  2. Step 2: Convert to fraction form
    11,587.12/17,381.64 = 3,795.76/x
  3. Step 3: Cross multiply
    11,587.12x = 17,381.64 × 3,795.76
  4. Step 4: Simplify right side
    11,587.12x = 65,976,533.85
  5. Step 5: Solve for x
    x = 65,976,533.85/11,587.12
  6. Step 6: Final answer
    x = 5,693.95

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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.