Home / 8,317.87-11,476.17-5,328.50

Finding the Fourth Proportional to 8,317.87, 11,476.17 and 5,328.50

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Solution

The fourth proportional to 8,317.87, 11,476.17 and 5,328.50 is: 7,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.87 : 11,476.17 = 5,328.50 : x
  2. Step 2: Convert to fraction form
    8,317.87/11,476.17 = 5,328.50/x
  3. Step 3: Cross multiply
    8,317.87x = 11,476.17 × 5,328.50
  4. Step 4: Simplify right side
    8,317.87x = 61,150,714.46
  5. Step 5: Solve for x
    x = 61,150,714.46/8,317.87
  6. Step 6: Final answer
    x = 7,351.73

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1.5x scale

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.