Home / 12,156.23-16,757.23-9,499.02

Finding the Fourth Proportional to 12,156.23, 16,757.23 and 9,499.02

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Solution

The fourth proportional to 12,156.23, 16,757.23 and 9,499.02 is: 13,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.23 : 16,757.23 = 9,499.02 : x
  2. Step 2: Convert to fraction form
    12,156.23/16,757.23 = 9,499.02/x
  3. Step 3: Cross multiply
    12,156.23x = 16,757.23 × 9,499.02
  4. Step 4: Simplify right side
    12,156.23x = 159,177,262.91
  5. Step 5: Solve for x
    x = 159,177,262.91/12,156.23
  6. Step 6: Final answer
    x = 13,094.30

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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.