Home / 8,519.05-11,760.42-5,688.10

Finding the Fourth Proportional to 8,519.05, 11,760.42 and 5,688.10

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Solution

The fourth proportional to 8,519.05, 11,760.42 and 5,688.10 is: 7,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.05 : 11,760.42 = 5,688.10 : x
  2. Step 2: Convert to fraction form
    8,519.05/11,760.42 = 5,688.10/x
  3. Step 3: Cross multiply
    8,519.05x = 11,760.42 × 5,688.10
  4. Step 4: Simplify right side
    8,519.05x = 66,894,445.00
  5. Step 5: Solve for x
    x = 66,894,445.00/8,519.05
  6. Step 6: Final answer
    x = 7,852.34

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Half scale
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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.