Home / 12,077.94-18,116.10-5,502.36

Finding the Fourth Proportional to 12,077.94, 18,116.10 and 5,502.36

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Solution

The fourth proportional to 12,077.94, 18,116.10 and 5,502.36 is: 8,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.94 : 18,116.10 = 5,502.36 : x
  2. Step 2: Convert to fraction form
    12,077.94/18,116.10 = 5,502.36/x
  3. Step 3: Cross multiply
    12,077.94x = 18,116.10 × 5,502.36
  4. Step 4: Simplify right side
    12,077.94x = 99,681,304.00
  5. Step 5: Solve for x
    x = 99,681,304.00/12,077.94
  6. Step 6: Final answer
    x = 8,253.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.