Home / 11,500.04-15,869.58-6,395.36

Finding the Fourth Proportional to 11,500.04, 15,869.58 and 6,395.36

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Solution

The fourth proportional to 11,500.04, 15,869.58 and 6,395.36 is: 8,825.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500.04 : 15,869.58 = 6,395.36 : x
  2. Step 2: Convert to fraction form
    11,500.04/15,869.58 = 6,395.36/x
  3. Step 3: Cross multiply
    11,500.04x = 15,869.58 × 6,395.36
  4. Step 4: Simplify right side
    11,500.04x = 101,491,677.15
  5. Step 5: Solve for x
    x = 101,491,677.15/11,500.04
  6. Step 6: Final answer
    x = 8,825.33

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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.