Home / 10,961.13-15,126.31-5,925.33

Finding the Fourth Proportional to 10,961.13, 15,126.31 and 5,925.33

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Solution

The fourth proportional to 10,961.13, 15,126.31 and 5,925.33 is: 8,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.13 : 15,126.31 = 5,925.33 : x
  2. Step 2: Convert to fraction form
    10,961.13/15,126.31 = 5,925.33/x
  3. Step 3: Cross multiply
    10,961.13x = 15,126.31 × 5,925.33
  4. Step 4: Simplify right side
    10,961.13x = 89,628,385.84
  5. Step 5: Solve for x
    x = 89,628,385.84/10,961.13
  6. Step 6: Final answer
    x = 8,176.93

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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.