Home / 11,127.81-15,356.57-6,091.95

Finding the Fourth Proportional to 11,127.81, 15,356.57 and 6,091.95

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Solution

The fourth proportional to 11,127.81, 15,356.57 and 6,091.95 is: 8,406.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.81 : 15,356.57 = 6,091.95 : x
  2. Step 2: Convert to fraction form
    11,127.81/15,356.57 = 6,091.95/x
  3. Step 3: Cross multiply
    11,127.81x = 15,356.57 × 6,091.95
  4. Step 4: Simplify right side
    11,127.81x = 93,551,397.36
  5. Step 5: Solve for x
    x = 93,551,397.36/11,127.81
  6. Step 6: Final answer
    x = 8,406.99

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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.