Home / 7,411.08-11,112.52-3,031.62

Finding the Fourth Proportional to 7,411.08, 11,112.52 and 3,031.62

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Solution

The fourth proportional to 7,411.08, 11,112.52 and 3,031.62 is: 4,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.08 : 11,112.52 = 3,031.62 : x
  2. Step 2: Convert to fraction form
    7,411.08/11,112.52 = 3,031.62/x
  3. Step 3: Cross multiply
    7,411.08x = 11,112.52 × 3,031.62
  4. Step 4: Simplify right side
    7,411.08x = 33,688,867.16
  5. Step 5: Solve for x
    x = 33,688,867.16/7,411.08
  6. Step 6: Final answer
    x = 4,545.74

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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.