Home / 12,536.70-17,300.50-6,871.76

Finding the Fourth Proportional to 12,536.70, 17,300.50 and 6,871.76

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Solution

The fourth proportional to 12,536.70, 17,300.50 and 6,871.76 is: 9,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.70 : 17,300.50 = 6,871.76 : x
  2. Step 2: Convert to fraction form
    12,536.70/17,300.50 = 6,871.76/x
  3. Step 3: Cross multiply
    12,536.70x = 17,300.50 × 6,871.76
  4. Step 4: Simplify right side
    12,536.70x = 118,884,883.88
  5. Step 5: Solve for x
    x = 118,884,883.88/12,536.70
  6. Step 6: Final answer
    x = 9,482.95

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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.