Home / 9,358.68-14,038.64-3,118.44

Finding the Fourth Proportional to 9,358.68, 14,038.64 and 3,118.44

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Solution

The fourth proportional to 9,358.68, 14,038.64 and 3,118.44 is: 4,677.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.68 : 14,038.64 = 3,118.44 : x
  2. Step 2: Convert to fraction form
    9,358.68/14,038.64 = 3,118.44/x
  3. Step 3: Cross multiply
    9,358.68x = 14,038.64 × 3,118.44
  4. Step 4: Simplify right side
    9,358.68x = 43,778,656.52
  5. Step 5: Solve for x
    x = 43,778,656.52/9,358.68
  6. Step 6: Final answer
    x = 4,677.87

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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.