Home / 7,917.66-10,926.07-4,381.02

Finding the Fourth Proportional to 7,917.66, 10,926.07 and 4,381.02

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Solution

The fourth proportional to 7,917.66, 10,926.07 and 4,381.02 is: 6,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.66 : 10,926.07 = 4,381.02 : x
  2. Step 2: Convert to fraction form
    7,917.66/10,926.07 = 4,381.02/x
  3. Step 3: Cross multiply
    7,917.66x = 10,926.07 × 4,381.02
  4. Step 4: Simplify right side
    7,917.66x = 47,867,331.19
  5. Step 5: Solve for x
    x = 47,867,331.19/7,917.66
  6. Step 6: Final answer
    x = 6,045.64

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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.