Home / 7,919.11-10,926.66-5,048.93

Finding the Fourth Proportional to 7,919.11, 10,926.66 and 5,048.93

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Solution

The fourth proportional to 7,919.11, 10,926.66 and 5,048.93 is: 6,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.11 : 10,926.66 = 5,048.93 : x
  2. Step 2: Convert to fraction form
    7,919.11/10,926.66 = 5,048.93/x
  3. Step 3: Cross multiply
    7,919.11x = 10,926.66 × 5,048.93
  4. Step 4: Simplify right side
    7,919.11x = 55,167,886.84
  5. Step 5: Solve for x
    x = 55,167,886.84/7,919.11
  6. Step 6: Final answer
    x = 6,966.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.