Home / 12,133.86-16,743.20-7,097.09

Finding the Fourth Proportional to 12,133.86, 16,743.20 and 7,097.09

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Solution

The fourth proportional to 12,133.86, 16,743.20 and 7,097.09 is: 9,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.86 : 16,743.20 = 7,097.09 : x
  2. Step 2: Convert to fraction form
    12,133.86/16,743.20 = 7,097.09/x
  3. Step 3: Cross multiply
    12,133.86x = 16,743.20 × 7,097.09
  4. Step 4: Simplify right side
    12,133.86x = 118,827,878.09
  5. Step 5: Solve for x
    x = 118,827,878.09/12,133.86
  6. Step 6: Final answer
    x = 9,793.08

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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.