Home / 8,900.36-13,349.69-3,635.57

Finding the Fourth Proportional to 8,900.36, 13,349.69 and 3,635.57

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Solution

The fourth proportional to 8,900.36, 13,349.69 and 3,635.57 is: 5,453.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.36 : 13,349.69 = 3,635.57 : x
  2. Step 2: Convert to fraction form
    8,900.36/13,349.69 = 3,635.57/x
  3. Step 3: Cross multiply
    8,900.36x = 13,349.69 × 3,635.57
  4. Step 4: Simplify right side
    8,900.36x = 48,533,706.66
  5. Step 5: Solve for x
    x = 48,533,706.66/8,900.36
  6. Step 6: Final answer
    x = 5,453.00

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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.