Home / 11,685.24-16,113.35-7,701.25

Finding the Fourth Proportional to 11,685.24, 16,113.35 and 7,701.25

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Solution

The fourth proportional to 11,685.24, 16,113.35 and 7,701.25 is: 10,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.24 : 16,113.35 = 7,701.25 : x
  2. Step 2: Convert to fraction form
    11,685.24/16,113.35 = 7,701.25/x
  3. Step 3: Cross multiply
    11,685.24x = 16,113.35 × 7,701.25
  4. Step 4: Simplify right side
    11,685.24x = 124,092,936.69
  5. Step 5: Solve for x
    x = 124,092,936.69/11,685.24
  6. Step 6: Final answer
    x = 10,619.63

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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.