Home / 10,139.64-13,996.98-6,162

Finding the Fourth Proportional to 10,139.64, 13,996.98 and 6,162

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Solution

The fourth proportional to 10,139.64, 13,996.98 and 6,162 is: 8,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.64 : 13,996.98 = 6,162 : x
  2. Step 2: Convert to fraction form
    10,139.64/13,996.98 = 6,162/x
  3. Step 3: Cross multiply
    10,139.64x = 13,996.98 × 6,162
  4. Step 4: Simplify right side
    10,139.64x = 86,249,390.76
  5. Step 5: Solve for x
    x = 86,249,390.76/10,139.64
  6. Step 6: Final answer
    x = 8,506.16

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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.