Home / 11,335.55-16,988.89-6,407.93

Finding the Fourth Proportional to 11,335.55, 16,988.89 and 6,407.93

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Solution

The fourth proportional to 11,335.55, 16,988.89 and 6,407.93 is: 9,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.55 : 16,988.89 = 6,407.93 : x
  2. Step 2: Convert to fraction form
    11,335.55/16,988.89 = 6,407.93/x
  3. Step 3: Cross multiply
    11,335.55x = 16,988.89 × 6,407.93
  4. Step 4: Simplify right side
    11,335.55x = 108,863,617.90
  5. Step 5: Solve for x
    x = 108,863,617.90/11,335.55
  6. Step 6: Final answer
    x = 9,603.73

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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.