Home / 9,580.75-13,221.17-5,331.59

Finding the Fourth Proportional to 9,580.75, 13,221.17 and 5,331.59

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Solution

The fourth proportional to 9,580.75, 13,221.17 and 5,331.59 is: 7,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.75 : 13,221.17 = 5,331.59 : x
  2. Step 2: Convert to fraction form
    9,580.75/13,221.17 = 5,331.59/x
  3. Step 3: Cross multiply
    9,580.75x = 13,221.17 × 5,331.59
  4. Step 4: Simplify right side
    9,580.75x = 70,489,831.10
  5. Step 5: Solve for x
    x = 70,489,831.10/9,580.75
  6. Step 6: Final answer
    x = 7,357.45

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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.