Home / 13,011.16-17,956.27-7,343.90

Finding the Fourth Proportional to 13,011.16, 17,956.27 and 7,343.90

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Solution

The fourth proportional to 13,011.16, 17,956.27 and 7,343.90 is: 10,135.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.16 : 17,956.27 = 7,343.90 : x
  2. Step 2: Convert to fraction form
    13,011.16/17,956.27 = 7,343.90/x
  3. Step 3: Cross multiply
    13,011.16x = 17,956.27 × 7,343.90
  4. Step 4: Simplify right side
    13,011.16x = 131,869,051.25
  5. Step 5: Solve for x
    x = 131,869,051.25/13,011.16
  6. Step 6: Final answer
    x = 10,135.07

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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.