Home / 30,713.54-46,068.12-11,990.07

Finding the Fourth Proportional to 30,713.54, 46,068.12 and 11,990.07

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Solution

The fourth proportional to 30,713.54, 46,068.12 and 11,990.07 is: 17,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.54 : 46,068.12 = 11,990.07 : x
  2. Step 2: Convert to fraction form
    30,713.54/46,068.12 = 11,990.07/x
  3. Step 3: Cross multiply
    30,713.54x = 46,068.12 × 11,990.07
  4. Step 4: Simplify right side
    30,713.54x = 552,359,983.57
  5. Step 5: Solve for x
    x = 552,359,983.57/30,713.54
  6. Step 6: Final answer
    x = 17,984.25

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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.