Home / 12,860.48-17,721.78-10,844.04

Finding the Fourth Proportional to 12,860.48, 17,721.78 and 10,844.04

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Solution

The fourth proportional to 12,860.48, 17,721.78 and 10,844.04 is: 14,943.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.48 : 17,721.78 = 10,844.04 : x
  2. Step 2: Convert to fraction form
    12,860.48/17,721.78 = 10,844.04/x
  3. Step 3: Cross multiply
    12,860.48x = 17,721.78 × 10,844.04
  4. Step 4: Simplify right side
    12,860.48x = 192,175,691.19
  5. Step 5: Solve for x
    x = 192,175,691.19/12,860.48
  6. Step 6: Final answer
    x = 14,943.12

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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.