Home / 9,431.90-13,015.45-5,452.17

Finding the Fourth Proportional to 9,431.90, 13,015.45 and 5,452.17

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Solution

The fourth proportional to 9,431.90, 13,015.45 and 5,452.17 is: 7,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.90 : 13,015.45 = 5,452.17 : x
  2. Step 2: Convert to fraction form
    9,431.90/13,015.45 = 5,452.17/x
  3. Step 3: Cross multiply
    9,431.90x = 13,015.45 × 5,452.17
  4. Step 4: Simplify right side
    9,431.90x = 70,962,446.03
  5. Step 5: Solve for x
    x = 70,962,446.03/9,431.90
  6. Step 6: Final answer
    x = 7,523.66

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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.