Home / 13,216.96-18,239.66-7,248.27

Finding the Fourth Proportional to 13,216.96, 18,239.66 and 7,248.27

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Solution

The fourth proportional to 13,216.96, 18,239.66 and 7,248.27 is: 10,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.96 : 18,239.66 = 7,248.27 : x
  2. Step 2: Convert to fraction form
    13,216.96/18,239.66 = 7,248.27/x
  3. Step 3: Cross multiply
    13,216.96x = 18,239.66 × 7,248.27
  4. Step 4: Simplify right side
    13,216.96x = 132,205,980.39
  5. Step 5: Solve for x
    x = 132,205,980.39/13,216.96
  6. Step 6: Final answer
    x = 10,002.75

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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.