Home / 7,381.08-11,071.74-2,186.88

Finding the Fourth Proportional to 7,381.08, 11,071.74 and 2,186.88

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Solution

The fourth proportional to 7,381.08, 11,071.74 and 2,186.88 is: 3,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.08 : 11,071.74 = 2,186.88 : x
  2. Step 2: Convert to fraction form
    7,381.08/11,071.74 = 2,186.88/x
  3. Step 3: Cross multiply
    7,381.08x = 11,071.74 × 2,186.88
  4. Step 4: Simplify right side
    7,381.08x = 24,212,566.77
  5. Step 5: Solve for x
    x = 24,212,566.77/7,381.08
  6. Step 6: Final answer
    x = 3,280.36

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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.