Home / 9,500.90-13,110.96-5,309.14

Finding the Fourth Proportional to 9,500.90, 13,110.96 and 5,309.14

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Solution

The fourth proportional to 9,500.90, 13,110.96 and 5,309.14 is: 7,326.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,500.90 : 13,110.96 = 5,309.14 : x
  2. Step 2: Convert to fraction form
    9,500.90/13,110.96 = 5,309.14/x
  3. Step 3: Cross multiply
    9,500.90x = 13,110.96 × 5,309.14
  4. Step 4: Simplify right side
    9,500.90x = 69,607,922.17
  5. Step 5: Solve for x
    x = 69,607,922.17/9,500.90
  6. Step 6: Final answer
    x = 7,326.46

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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.