Home / 11,055.76-15,257.50-6,340.04

Finding the Fourth Proportional to 11,055.76, 15,257.50 and 6,340.04

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Solution

The fourth proportional to 11,055.76, 15,257.50 and 6,340.04 is: 8,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.76 : 15,257.50 = 6,340.04 : x
  2. Step 2: Convert to fraction form
    11,055.76/15,257.50 = 6,340.04/x
  3. Step 3: Cross multiply
    11,055.76x = 15,257.50 × 6,340.04
  4. Step 4: Simplify right side
    11,055.76x = 96,733,160.30
  5. Step 5: Solve for x
    x = 96,733,160.30/11,055.76
  6. Step 6: Final answer
    x = 8,749.57

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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.