Home / 10,126.77-13,975.29-5,877.51

Finding the Fourth Proportional to 10,126.77, 13,975.29 and 5,877.51

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Solution

The fourth proportional to 10,126.77, 13,975.29 and 5,877.51 is: 8,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.77 : 13,975.29 = 5,877.51 : x
  2. Step 2: Convert to fraction form
    10,126.77/13,975.29 = 5,877.51/x
  3. Step 3: Cross multiply
    10,126.77x = 13,975.29 × 5,877.51
  4. Step 4: Simplify right side
    10,126.77x = 82,139,906.73
  5. Step 5: Solve for x
    x = 82,139,906.73/10,126.77
  6. Step 6: Final answer
    x = 8,111.17

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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.