Home / 9,723.06-13,416.30-5,530.50

Finding the Fourth Proportional to 9,723.06, 13,416.30 and 5,530.50

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Solution

The fourth proportional to 9,723.06, 13,416.30 and 5,530.50 is: 7,631.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.06 : 13,416.30 = 5,530.50 : x
  2. Step 2: Convert to fraction form
    9,723.06/13,416.30 = 5,530.50/x
  3. Step 3: Cross multiply
    9,723.06x = 13,416.30 × 5,530.50
  4. Step 4: Simplify right side
    9,723.06x = 74,198,847.15
  5. Step 5: Solve for x
    x = 74,198,847.15/9,723.06
  6. Step 6: Final answer
    x = 7,631.22

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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.