Home / 11,775.08-16,247.76-7,529.90

Finding the Fourth Proportional to 11,775.08, 16,247.76 and 7,529.90

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Solution

The fourth proportional to 11,775.08, 16,247.76 and 7,529.90 is: 10,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.08 : 16,247.76 = 7,529.90 : x
  2. Step 2: Convert to fraction form
    11,775.08/16,247.76 = 7,529.90/x
  3. Step 3: Cross multiply
    11,775.08x = 16,247.76 × 7,529.90
  4. Step 4: Simplify right side
    11,775.08x = 122,344,008.02
  5. Step 5: Solve for x
    x = 122,344,008.02/11,775.08
  6. Step 6: Final answer
    x = 10,390.08

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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.