Home / 11,245.68-15,521.40-6,529.68

Finding the Fourth Proportional to 11,245.68, 15,521.40 and 6,529.68

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Solution

The fourth proportional to 11,245.68, 15,521.40 and 6,529.68 is: 9,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.68 : 15,521.40 = 6,529.68 : x
  2. Step 2: Convert to fraction form
    11,245.68/15,521.40 = 6,529.68/x
  3. Step 3: Cross multiply
    11,245.68x = 15,521.40 × 6,529.68
  4. Step 4: Simplify right side
    11,245.68x = 101,349,775.15
  5. Step 5: Solve for x
    x = 101,349,775.15/11,245.68
  6. Step 6: Final answer
    x = 9,012.33

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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.