Home / 11,021.90-15,208.59-6,545.84

Finding the Fourth Proportional to 11,021.90, 15,208.59 and 6,545.84

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Solution

The fourth proportional to 11,021.90, 15,208.59 and 6,545.84 is: 9,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.90 : 15,208.59 = 6,545.84 : x
  2. Step 2: Convert to fraction form
    11,021.90/15,208.59 = 6,545.84/x
  3. Step 3: Cross multiply
    11,021.90x = 15,208.59 × 6,545.84
  4. Step 4: Simplify right side
    11,021.90x = 99,552,996.77
  5. Step 5: Solve for x
    x = 99,552,996.77/11,021.90
  6. Step 6: Final answer
    x = 9,032.29

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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.