Home / 11,925.68-17,888.64-3,605.77

Finding the Fourth Proportional to 11,925.68, 17,888.64 and 3,605.77

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Solution

The fourth proportional to 11,925.68, 17,888.64 and 3,605.77 is: 5,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.68 : 17,888.64 = 3,605.77 : x
  2. Step 2: Convert to fraction form
    11,925.68/17,888.64 = 3,605.77/x
  3. Step 3: Cross multiply
    11,925.68x = 17,888.64 × 3,605.77
  4. Step 4: Simplify right side
    11,925.68x = 64,502,321.45
  5. Step 5: Solve for x
    x = 64,502,321.45/11,925.68
  6. Step 6: Final answer
    x = 5,408.69

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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.