Home / 12,088.02-16,678.17-7,372.20

Finding the Fourth Proportional to 12,088.02, 16,678.17 and 7,372.20

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Solution

The fourth proportional to 12,088.02, 16,678.17 and 7,372.20 is: 10,171.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.02 : 16,678.17 = 7,372.20 : x
  2. Step 2: Convert to fraction form
    12,088.02/16,678.17 = 7,372.20/x
  3. Step 3: Cross multiply
    12,088.02x = 16,678.17 × 7,372.20
  4. Step 4: Simplify right side
    12,088.02x = 122,954,804.87
  5. Step 5: Solve for x
    x = 122,954,804.87/12,088.02
  6. Step 6: Final answer
    x = 10,171.62

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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.