Home / 31,012.13-46,490.49-11,276.79

Finding the Fourth Proportional to 31,012.13, 46,490.49 and 11,276.79

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Solution

The fourth proportional to 31,012.13, 46,490.49 and 11,276.79 is: 16,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,012.13 : 46,490.49 = 11,276.79 : x
  2. Step 2: Convert to fraction form
    31,012.13/46,490.49 = 11,276.79/x
  3. Step 3: Cross multiply
    31,012.13x = 46,490.49 × 11,276.79
  4. Step 4: Simplify right side
    31,012.13x = 524,263,318.39
  5. Step 5: Solve for x
    x = 524,263,318.39/31,012.13
  6. Step 6: Final answer
    x = 16,905.10

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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.