Home / 12,562.02-18,849.14-5,168.70

Finding the Fourth Proportional to 12,562.02, 18,849.14 and 5,168.70

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Solution

The fourth proportional to 12,562.02, 18,849.14 and 5,168.70 is: 7,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.02 : 18,849.14 = 5,168.70 : x
  2. Step 2: Convert to fraction form
    12,562.02/18,849.14 = 5,168.70/x
  3. Step 3: Cross multiply
    12,562.02x = 18,849.14 × 5,168.70
  4. Step 4: Simplify right side
    12,562.02x = 97,425,549.92
  5. Step 5: Solve for x
    x = 97,425,549.92/12,562.02
  6. Step 6: Final answer
    x = 7,755.56

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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.