Home / 9,723.96-13,420.62-5,533.56

Finding the Fourth Proportional to 9,723.96, 13,420.62 and 5,533.56

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Solution

The fourth proportional to 9,723.96, 13,420.62 and 5,533.56 is: 7,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.96 : 13,420.62 = 5,533.56 : x
  2. Step 2: Convert to fraction form
    9,723.96/13,420.62 = 5,533.56/x
  3. Step 3: Cross multiply
    9,723.96x = 13,420.62 × 5,533.56
  4. Step 4: Simplify right side
    9,723.96x = 74,263,806.01
  5. Step 5: Solve for x
    x = 74,263,806.01/9,723.96
  6. Step 6: Final answer
    x = 7,637.20

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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.