Home / 11,903.18-17,854.50-4,111.26

Finding the Fourth Proportional to 11,903.18, 17,854.50 and 4,111.26

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Solution

The fourth proportional to 11,903.18, 17,854.50 and 4,111.26 is: 6,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.18 : 17,854.50 = 4,111.26 : x
  2. Step 2: Convert to fraction form
    11,903.18/17,854.50 = 4,111.26/x
  3. Step 3: Cross multiply
    11,903.18x = 17,854.50 × 4,111.26
  4. Step 4: Simplify right side
    11,903.18x = 73,404,491.67
  5. Step 5: Solve for x
    x = 73,404,491.67/11,903.18
  6. Step 6: Final answer
    x = 6,166.80

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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.