Home / 8,465.18-11,684.52-5,481

Finding the Fourth Proportional to 8,465.18, 11,684.52 and 5,481

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Solution

The fourth proportional to 8,465.18, 11,684.52 and 5,481 is: 7,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.18 : 11,684.52 = 5,481 : x
  2. Step 2: Convert to fraction form
    8,465.18/11,684.52 = 5,481/x
  3. Step 3: Cross multiply
    8,465.18x = 11,684.52 × 5,481
  4. Step 4: Simplify right side
    8,465.18x = 64,042,854.12
  5. Step 5: Solve for x
    x = 64,042,854.12/8,465.18
  6. Step 6: Final answer
    x = 7,565.45

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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.