Home / 8,927.87-13,389.88-5,636.57

Finding the Fourth Proportional to 8,927.87, 13,389.88 and 5,636.57

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Solution

The fourth proportional to 8,927.87, 13,389.88 and 5,636.57 is: 8,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.87 : 13,389.88 = 5,636.57 : x
  2. Step 2: Convert to fraction form
    8,927.87/13,389.88 = 5,636.57/x
  3. Step 3: Cross multiply
    8,927.87x = 13,389.88 × 5,636.57
  4. Step 4: Simplify right side
    8,927.87x = 75,472,995.91
  5. Step 5: Solve for x
    x = 75,472,995.91/8,927.87
  6. Step 6: Final answer
    x = 8,453.64

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1.5x scale

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.