Home / 10,263.78-14,160.02-5,786.51

Finding the Fourth Proportional to 10,263.78, 14,160.02 and 5,786.51

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Solution

The fourth proportional to 10,263.78, 14,160.02 and 5,786.51 is: 7,983.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.78 : 14,160.02 = 5,786.51 : x
  2. Step 2: Convert to fraction form
    10,263.78/14,160.02 = 5,786.51/x
  3. Step 3: Cross multiply
    10,263.78x = 14,160.02 × 5,786.51
  4. Step 4: Simplify right side
    10,263.78x = 81,937,097.33
  5. Step 5: Solve for x
    x = 81,937,097.33/10,263.78
  6. Step 6: Final answer
    x = 7,983.13

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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.