Home / 11,925.81-17,880.08-6,077.97

Finding the Fourth Proportional to 11,925.81, 17,880.08 and 6,077.97

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Solution

The fourth proportional to 11,925.81, 17,880.08 and 6,077.97 is: 9,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.81 : 17,880.08 = 6,077.97 : x
  2. Step 2: Convert to fraction form
    11,925.81/17,880.08 = 6,077.97/x
  3. Step 3: Cross multiply
    11,925.81x = 17,880.08 × 6,077.97
  4. Step 4: Simplify right side
    11,925.81x = 108,674,559.45
  5. Step 5: Solve for x
    x = 108,674,559.45/11,925.81
  6. Step 6: Final answer
    x = 9,112.55

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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.