Home / 10,802.61-16,167.33-6,645.26

Finding the Fourth Proportional to 10,802.61, 16,167.33 and 6,645.26

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Solution

The fourth proportional to 10,802.61, 16,167.33 and 6,645.26 is: 9,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.61 : 16,167.33 = 6,645.26 : x
  2. Step 2: Convert to fraction form
    10,802.61/16,167.33 = 6,645.26/x
  3. Step 3: Cross multiply
    10,802.61x = 16,167.33 × 6,645.26
  4. Step 4: Simplify right side
    10,802.61x = 107,436,151.77
  5. Step 5: Solve for x
    x = 107,436,151.77/10,802.61
  6. Step 6: Final answer
    x = 9,945.39

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1.5x scale

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.