Home / 11,502.12-15,871.83-6,723.18

Finding the Fourth Proportional to 11,502.12, 15,871.83 and 6,723.18

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Solution

The fourth proportional to 11,502.12, 15,871.83 and 6,723.18 is: 9,277.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.12 : 15,871.83 = 6,723.18 : x
  2. Step 2: Convert to fraction form
    11,502.12/15,871.83 = 6,723.18/x
  3. Step 3: Cross multiply
    11,502.12x = 15,871.83 × 6,723.18
  4. Step 4: Simplify right side
    11,502.12x = 106,709,144.81
  5. Step 5: Solve for x
    x = 106,709,144.81/11,502.12
  6. Step 6: Final answer
    x = 9,277.35

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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.