Home / 9,127.77-12,571.11-7,868.34

Finding the Fourth Proportional to 9,127.77, 12,571.11 and 7,868.34

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Solution

The fourth proportional to 9,127.77, 12,571.11 and 7,868.34 is: 10,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.77 : 12,571.11 = 7,868.34 : x
  2. Step 2: Convert to fraction form
    9,127.77/12,571.11 = 7,868.34/x
  3. Step 3: Cross multiply
    9,127.77x = 12,571.11 × 7,868.34
  4. Step 4: Simplify right side
    9,127.77x = 98,913,767.66
  5. Step 5: Solve for x
    x = 98,913,767.66/9,127.77
  6. Step 6: Final answer
    x = 10,836.58

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Similar ratio
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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.