Home / 10,197.84-14,072.93-5,721.49

Finding the Fourth Proportional to 10,197.84, 14,072.93 and 5,721.49

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Solution

The fourth proportional to 10,197.84, 14,072.93 and 5,721.49 is: 7,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.84 : 14,072.93 = 5,721.49 : x
  2. Step 2: Convert to fraction form
    10,197.84/14,072.93 = 5,721.49/x
  3. Step 3: Cross multiply
    10,197.84x = 14,072.93 × 5,721.49
  4. Step 4: Simplify right side
    10,197.84x = 80,518,128.27
  5. Step 5: Solve for x
    x = 80,518,128.27/10,197.84
  6. Step 6: Final answer
    x = 7,895.61

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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.