Home / 30,808.15-46,212.12-7,434.59

Finding the Fourth Proportional to 30,808.15, 46,212.12 and 7,434.59

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Solution

The fourth proportional to 30,808.15, 46,212.12 and 7,434.59 is: 11,151.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,808.15 : 46,212.12 = 7,434.59 : x
  2. Step 2: Convert to fraction form
    30,808.15/46,212.12 = 7,434.59/x
  3. Step 3: Cross multiply
    30,808.15x = 46,212.12 × 7,434.59
  4. Step 4: Simplify right side
    30,808.15x = 343,567,934.17
  5. Step 5: Solve for x
    x = 343,567,934.17/30,808.15
  6. Step 6: Final answer
    x = 11,151.85

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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.