Home / 11,336.93-16,929-9,261.03

Finding the Fourth Proportional to 11,336.93, 16,929 and 9,261.03

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Solution

The fourth proportional to 11,336.93, 16,929 and 9,261.03 is: 13,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.93 : 16,929 = 9,261.03 : x
  2. Step 2: Convert to fraction form
    11,336.93/16,929 = 9,261.03/x
  3. Step 3: Cross multiply
    11,336.93x = 16,929 × 9,261.03
  4. Step 4: Simplify right side
    11,336.93x = 156,779,976.87
  5. Step 5: Solve for x
    x = 156,779,976.87/11,336.93
  6. Step 6: Final answer
    x = 13,829.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.