Home / 12,937.16-17,812.34-11,754.70

Finding the Fourth Proportional to 12,937.16, 17,812.34 and 11,754.70

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Solution

The fourth proportional to 12,937.16, 17,812.34 and 11,754.70 is: 16,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.16 : 17,812.34 = 11,754.70 : x
  2. Step 2: Convert to fraction form
    12,937.16/17,812.34 = 11,754.70/x
  3. Step 3: Cross multiply
    12,937.16x = 17,812.34 × 11,754.70
  4. Step 4: Simplify right side
    12,937.16x = 209,378,713.00
  5. Step 5: Solve for x
    x = 209,378,713.00/12,937.16
  6. Step 6: Final answer
    x = 16,184.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.