Home / 12,091.92-18,126.93-4,298.91

Finding the Fourth Proportional to 12,091.92, 18,126.93 and 4,298.91

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Solution

The fourth proportional to 12,091.92, 18,126.93 and 4,298.91 is: 6,444.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.92 : 18,126.93 = 4,298.91 : x
  2. Step 2: Convert to fraction form
    12,091.92/18,126.93 = 4,298.91/x
  3. Step 3: Cross multiply
    12,091.92x = 18,126.93 × 4,298.91
  4. Step 4: Simplify right side
    12,091.92x = 77,926,040.65
  5. Step 5: Solve for x
    x = 77,926,040.65/12,091.92
  6. Step 6: Final answer
    x = 6,444.47

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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.