Home / 11,469.03-15,828-6,433.17

Finding the Fourth Proportional to 11,469.03, 15,828 and 6,433.17

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Solution

The fourth proportional to 11,469.03, 15,828 and 6,433.17 is: 8,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,469.03 : 15,828 = 6,433.17 : x
  2. Step 2: Convert to fraction form
    11,469.03/15,828 = 6,433.17/x
  3. Step 3: Cross multiply
    11,469.03x = 15,828 × 6,433.17
  4. Step 4: Simplify right side
    11,469.03x = 101,824,214.76
  5. Step 5: Solve for x
    x = 101,824,214.76/11,469.03
  6. Step 6: Final answer
    x = 8,878.19

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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.