Home / 11,125.16-16,700.70-7,245.80

Finding the Fourth Proportional to 11,125.16, 16,700.70 and 7,245.80

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Solution

The fourth proportional to 11,125.16, 16,700.70 and 7,245.80 is: 10,877.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.16 : 16,700.70 = 7,245.80 : x
  2. Step 2: Convert to fraction form
    11,125.16/16,700.70 = 7,245.80/x
  3. Step 3: Cross multiply
    11,125.16x = 16,700.70 × 7,245.80
  4. Step 4: Simplify right side
    11,125.16x = 121,009,932.06
  5. Step 5: Solve for x
    x = 121,009,932.06/11,125.16
  6. Step 6: Final answer
    x = 10,877.14

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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.