Home / 11,225.06-15,490.45-6,189.14

Finding the Fourth Proportional to 11,225.06, 15,490.45 and 6,189.14

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Solution

The fourth proportional to 11,225.06, 15,490.45 and 6,189.14 is: 8,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.06 : 15,490.45 = 6,189.14 : x
  2. Step 2: Convert to fraction form
    11,225.06/15,490.45 = 6,189.14/x
  3. Step 3: Cross multiply
    11,225.06x = 15,490.45 × 6,189.14
  4. Step 4: Simplify right side
    11,225.06x = 95,872,563.71
  5. Step 5: Solve for x
    x = 95,872,563.71/11,225.06
  6. Step 6: Final answer
    x = 8,540.94

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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.