Home / 30,768.11-46,153.16-9,708.34

Finding the Fourth Proportional to 30,768.11, 46,153.16 and 9,708.34

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Solution

The fourth proportional to 30,768.11, 46,153.16 and 9,708.34 is: 14,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.11 : 46,153.16 = 9,708.34 : x
  2. Step 2: Convert to fraction form
    30,768.11/46,153.16 = 9,708.34/x
  3. Step 3: Cross multiply
    30,768.11x = 46,153.16 × 9,708.34
  4. Step 4: Simplify right side
    30,768.11x = 448,070,569.35
  5. Step 5: Solve for x
    x = 448,070,569.35/30,768.11
  6. Step 6: Final answer
    x = 14,562.82

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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.