Home / 13,216.68-18,239.00-7,248.22

Finding the Fourth Proportional to 13,216.68, 18,239.00 and 7,248.22

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Solution

The fourth proportional to 13,216.68, 18,239.00 and 7,248.22 is: 10,002.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.68 : 18,239.00 = 7,248.22 : x
  2. Step 2: Convert to fraction form
    13,216.68/18,239.00 = 7,248.22/x
  3. Step 3: Cross multiply
    13,216.68x = 18,239.00 × 7,248.22
  4. Step 4: Simplify right side
    13,216.68x = 132,200,202.74
  5. Step 5: Solve for x
    x = 132,200,202.74/13,216.68
  6. Step 6: Final answer
    x = 10,002.53

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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.