Home / 11,850.40-16,353.70-6,545.22

Finding the Fourth Proportional to 11,850.40, 16,353.70 and 6,545.22

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Solution

The fourth proportional to 11,850.40, 16,353.70 and 6,545.22 is: 9,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.40 : 16,353.70 = 6,545.22 : x
  2. Step 2: Convert to fraction form
    11,850.40/16,353.70 = 6,545.22/x
  3. Step 3: Cross multiply
    11,850.40x = 16,353.70 × 6,545.22
  4. Step 4: Simplify right side
    11,850.40x = 107,038,564.31
  5. Step 5: Solve for x
    x = 107,038,564.31/11,850.40
  6. Step 6: Final answer
    x = 9,032.49

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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.