Home / 10,197.63-14,072.81-5,721.44

Finding the Fourth Proportional to 10,197.63, 14,072.81 and 5,721.44

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Solution

The fourth proportional to 10,197.63, 14,072.81 and 5,721.44 is: 7,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.63 : 14,072.81 = 5,721.44 : x
  2. Step 2: Convert to fraction form
    10,197.63/14,072.81 = 5,721.44/x
  3. Step 3: Cross multiply
    10,197.63x = 14,072.81 × 5,721.44
  4. Step 4: Simplify right side
    10,197.63x = 80,516,639.08
  5. Step 5: Solve for x
    x = 80,516,639.08/10,197.63
  6. Step 6: Final answer
    x = 7,895.62

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1.5x scale

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.