Home / 9,670.96-13,346.76-5,480.56

Finding the Fourth Proportional to 9,670.96, 13,346.76 and 5,480.56

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Solution

The fourth proportional to 9,670.96, 13,346.76 and 5,480.56 is: 7,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.96 : 13,346.76 = 5,480.56 : x
  2. Step 2: Convert to fraction form
    9,670.96/13,346.76 = 5,480.56/x
  3. Step 3: Cross multiply
    9,670.96x = 13,346.76 × 5,480.56
  4. Step 4: Simplify right side
    9,670.96x = 73,147,718.99
  5. Step 5: Solve for x
    x = 73,147,718.99/9,670.96
  6. Step 6: Final answer
    x = 7,563.65

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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.