Home / 12,298.69-16,972.25-6,709.81

Finding the Fourth Proportional to 12,298.69, 16,972.25 and 6,709.81

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Solution

The fourth proportional to 12,298.69, 16,972.25 and 6,709.81 is: 9,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.69 : 16,972.25 = 6,709.81 : x
  2. Step 2: Convert to fraction form
    12,298.69/16,972.25 = 6,709.81/x
  3. Step 3: Cross multiply
    12,298.69x = 16,972.25 × 6,709.81
  4. Step 4: Simplify right side
    12,298.69x = 113,880,572.77
  5. Step 5: Solve for x
    x = 113,880,572.77/12,298.69
  6. Step 6: Final answer
    x = 9,259.57

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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.