Home / 31,311.12-46,966.80-7,937.58

Finding the Fourth Proportional to 31,311.12, 46,966.80 and 7,937.58

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Solution

The fourth proportional to 31,311.12, 46,966.80 and 7,937.58 is: 11,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,311.12 : 46,966.80 = 7,937.58 : x
  2. Step 2: Convert to fraction form
    31,311.12/46,966.80 = 7,937.58/x
  3. Step 3: Cross multiply
    31,311.12x = 46,966.80 × 7,937.58
  4. Step 4: Simplify right side
    31,311.12x = 372,802,732.34
  5. Step 5: Solve for x
    x = 372,802,732.34/31,311.12
  6. Step 6: Final answer
    x = 11,906.40

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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.