Home / 10,197.49-14,072.45-5,721.14

Finding the Fourth Proportional to 10,197.49, 14,072.45 and 5,721.14

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Solution

The fourth proportional to 10,197.49, 14,072.45 and 5,721.14 is: 7,895.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.49 : 14,072.45 = 5,721.14 : x
  2. Step 2: Convert to fraction form
    10,197.49/14,072.45 = 5,721.14/x
  3. Step 3: Cross multiply
    10,197.49x = 14,072.45 × 5,721.14
  4. Step 4: Simplify right side
    10,197.49x = 80,510,463.17
  5. Step 5: Solve for x
    x = 80,510,463.17/10,197.49
  6. Step 6: Final answer
    x = 7,895.13

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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.