Home / 7,385.76-11,080.56-6,071.68

Finding the Fourth Proportional to 7,385.76, 11,080.56 and 6,071.68

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Solution

The fourth proportional to 7,385.76, 11,080.56 and 6,071.68 is: 9,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.76 : 11,080.56 = 6,071.68 : x
  2. Step 2: Convert to fraction form
    7,385.76/11,080.56 = 6,071.68/x
  3. Step 3: Cross multiply
    7,385.76x = 11,080.56 × 6,071.68
  4. Step 4: Simplify right side
    7,385.76x = 67,277,614.54
  5. Step 5: Solve for x
    x = 67,277,614.54/7,385.76
  6. Step 6: Final answer
    x = 9,109.10

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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.