Home / 11,127.68-15,356-6,091.92

Finding the Fourth Proportional to 11,127.68, 15,356 and 6,091.92

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Solution

The fourth proportional to 11,127.68, 15,356 and 6,091.92 is: 8,406.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.68 : 15,356 = 6,091.92 : x
  2. Step 2: Convert to fraction form
    11,127.68/15,356 = 6,091.92/x
  3. Step 3: Cross multiply
    11,127.68x = 15,356 × 6,091.92
  4. Step 4: Simplify right side
    11,127.68x = 93,547,523.52
  5. Step 5: Solve for x
    x = 93,547,523.52/11,127.68
  6. Step 6: Final answer
    x = 8,406.74

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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.