Home / 12,132.46-18,203.14-5,114.24

Finding the Fourth Proportional to 12,132.46, 18,203.14 and 5,114.24

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Solution

The fourth proportional to 12,132.46, 18,203.14 and 5,114.24 is: 7,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.46 : 18,203.14 = 5,114.24 : x
  2. Step 2: Convert to fraction form
    12,132.46/18,203.14 = 5,114.24/x
  3. Step 3: Cross multiply
    12,132.46x = 18,203.14 × 5,114.24
  4. Step 4: Simplify right side
    12,132.46x = 93,095,226.71
  5. Step 5: Solve for x
    x = 93,095,226.71/12,132.46
  6. Step 6: Final answer
    x = 7,673.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.