Home / 11,127.16-15,355.51-6,091.71

Finding the Fourth Proportional to 11,127.16, 15,355.51 and 6,091.71

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Solution

The fourth proportional to 11,127.16, 15,355.51 and 6,091.71 is: 8,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.16 : 15,355.51 = 6,091.71 : x
  2. Step 2: Convert to fraction form
    11,127.16/15,355.51 = 6,091.71/x
  3. Step 3: Cross multiply
    11,127.16x = 15,355.51 × 6,091.71
  4. Step 4: Simplify right side
    11,127.16x = 93,541,241.01
  5. Step 5: Solve for x
    x = 93,541,241.01/11,127.16
  6. Step 6: Final answer
    x = 8,406.57

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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.