Home / 11,725.13-16,178.50-7,008.41

Finding the Fourth Proportional to 11,725.13, 16,178.50 and 7,008.41

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Solution

The fourth proportional to 11,725.13, 16,178.50 and 7,008.41 is: 9,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.13 : 16,178.50 = 7,008.41 : x
  2. Step 2: Convert to fraction form
    11,725.13/16,178.50 = 7,008.41/x
  3. Step 3: Cross multiply
    11,725.13x = 16,178.50 × 7,008.41
  4. Step 4: Simplify right side
    11,725.13x = 113,385,561.19
  5. Step 5: Solve for x
    x = 113,385,561.19/11,725.13
  6. Step 6: Final answer
    x = 9,670.30

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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.