Home / 11,703.20-16,150.47-6,398.02

Finding the Fourth Proportional to 11,703.20, 16,150.47 and 6,398.02

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Solution

The fourth proportional to 11,703.20, 16,150.47 and 6,398.02 is: 8,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.20 : 16,150.47 = 6,398.02 : x
  2. Step 2: Convert to fraction form
    11,703.20/16,150.47 = 6,398.02/x
  3. Step 3: Cross multiply
    11,703.20x = 16,150.47 × 6,398.02
  4. Step 4: Simplify right side
    11,703.20x = 103,330,971.41
  5. Step 5: Solve for x
    x = 103,330,971.41/11,703.20
  6. Step 6: Final answer
    x = 8,829.29

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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.