Home / 9,007.43-13,499.20-4,789.81

Finding the Fourth Proportional to 9,007.43, 13,499.20 and 4,789.81

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Solution

The fourth proportional to 9,007.43, 13,499.20 and 4,789.81 is: 7,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.43 : 13,499.20 = 4,789.81 : x
  2. Step 2: Convert to fraction form
    9,007.43/13,499.20 = 4,789.81/x
  3. Step 3: Cross multiply
    9,007.43x = 13,499.20 × 4,789.81
  4. Step 4: Simplify right side
    9,007.43x = 64,658,511.71
  5. Step 5: Solve for x
    x = 64,658,511.71/9,007.43
  6. Step 6: Final answer
    x = 7,178.35

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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.