Home / 13,216.23-18,237.69-7,248.15

Finding the Fourth Proportional to 13,216.23, 18,237.69 and 7,248.15

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Solution

The fourth proportional to 13,216.23, 18,237.69 and 7,248.15 is: 10,002.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.23 : 18,237.69 = 7,248.15 : x
  2. Step 2: Convert to fraction form
    13,216.23/18,237.69 = 7,248.15/x
  3. Step 3: Cross multiply
    13,216.23x = 18,237.69 × 7,248.15
  4. Step 4: Simplify right side
    13,216.23x = 132,189,512.77
  5. Step 5: Solve for x
    x = 132,189,512.77/13,216.23
  6. Step 6: Final answer
    x = 10,002.06

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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.