Home / 12,537.10-17,300.09-6,871.76

Finding the Fourth Proportional to 12,537.10, 17,300.09 and 6,871.76

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Solution

The fourth proportional to 12,537.10, 17,300.09 and 6,871.76 is: 9,482.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.10 : 17,300.09 = 6,871.76 : x
  2. Step 2: Convert to fraction form
    12,537.10/17,300.09 = 6,871.76/x
  3. Step 3: Cross multiply
    12,537.10x = 17,300.09 × 6,871.76
  4. Step 4: Simplify right side
    12,537.10x = 118,881,945.60
  5. Step 5: Solve for x
    x = 118,881,945.60/12,537.10
  6. Step 6: Final answer
    x = 9,482.42

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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.