Home / 8,726.94-12,039.56-5,701.02

Finding the Fourth Proportional to 8,726.94, 12,039.56 and 5,701.02

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Solution

The fourth proportional to 8,726.94, 12,039.56 and 5,701.02 is: 7,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.94 : 12,039.56 = 5,701.02 : x
  2. Step 2: Convert to fraction form
    8,726.94/12,039.56 = 5,701.02/x
  3. Step 3: Cross multiply
    8,726.94x = 12,039.56 × 5,701.02
  4. Step 4: Simplify right side
    8,726.94x = 68,637,814.97
  5. Step 5: Solve for x
    x = 68,637,814.97/8,726.94
  6. Step 6: Final answer
    x = 7,865.05

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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.