Home / 7,926.66-11,881.49-3,538.08

Finding the Fourth Proportional to 7,926.66, 11,881.49 and 3,538.08

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Solution

The fourth proportional to 7,926.66, 11,881.49 and 3,538.08 is: 5,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.66 : 11,881.49 = 3,538.08 : x
  2. Step 2: Convert to fraction form
    7,926.66/11,881.49 = 3,538.08/x
  3. Step 3: Cross multiply
    7,926.66x = 11,881.49 × 3,538.08
  4. Step 4: Simplify right side
    7,926.66x = 42,037,644.45
  5. Step 5: Solve for x
    x = 42,037,644.45/7,926.66
  6. Step 6: Final answer
    x = 5,303.32

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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.