Home / 13,216.55-18,239.07-7,248.17

Finding the Fourth Proportional to 13,216.55, 18,239.07 and 7,248.17

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Solution

The fourth proportional to 13,216.55, 18,239.07 and 7,248.17 is: 10,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.55 : 18,239.07 = 7,248.17 : x
  2. Step 2: Convert to fraction form
    13,216.55/18,239.07 = 7,248.17/x
  3. Step 3: Cross multiply
    13,216.55x = 18,239.07 × 7,248.17
  4. Step 4: Simplify right side
    13,216.55x = 132,199,850.19
  5. Step 5: Solve for x
    x = 132,199,850.19/13,216.55
  6. Step 6: Final answer
    x = 10,002.60

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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.