Home / 9,580.14-13,220.01-5,388.66

Finding the Fourth Proportional to 9,580.14, 13,220.01 and 5,388.66

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Solution

The fourth proportional to 9,580.14, 13,220.01 and 5,388.66 is: 7,436.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.14 : 13,220.01 = 5,388.66 : x
  2. Step 2: Convert to fraction form
    9,580.14/13,220.01 = 5,388.66/x
  3. Step 3: Cross multiply
    9,580.14x = 13,220.01 × 5,388.66
  4. Step 4: Simplify right side
    9,580.14x = 71,238,139.09
  5. Step 5: Solve for x
    x = 71,238,139.09/9,580.14
  6. Step 6: Final answer
    x = 7,436.02

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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.