Home / 11,729.02-16,184.56-9,345.04

Finding the Fourth Proportional to 11,729.02, 16,184.56 and 9,345.04

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Solution

The fourth proportional to 11,729.02, 16,184.56 and 9,345.04 is: 12,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.02 : 16,184.56 = 9,345.04 : x
  2. Step 2: Convert to fraction form
    11,729.02/16,184.56 = 9,345.04/x
  3. Step 3: Cross multiply
    11,729.02x = 16,184.56 × 9,345.04
  4. Step 4: Simplify right side
    11,729.02x = 151,245,279.66
  5. Step 5: Solve for x
    x = 151,245,279.66/11,729.02
  6. Step 6: Final answer
    x = 12,894.96

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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.