Home / 31,147.35-46,727.17-11,426.07

Finding the Fourth Proportional to 31,147.35, 46,727.17 and 11,426.07

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Solution

The fourth proportional to 31,147.35, 46,727.17 and 11,426.07 is: 17,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147.35 : 46,727.17 = 11,426.07 : x
  2. Step 2: Convert to fraction form
    31,147.35/46,727.17 = 11,426.07/x
  3. Step 3: Cross multiply
    31,147.35x = 46,727.17 × 11,426.07
  4. Step 4: Simplify right side
    31,147.35x = 533,907,915.32
  5. Step 5: Solve for x
    x = 533,907,915.32/31,147.35
  6. Step 6: Final answer
    x = 17,141.36

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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.