Home / 10,379.95-14,324.28-5,664.22

Finding the Fourth Proportional to 10,379.95, 14,324.28 and 5,664.22

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Solution

The fourth proportional to 10,379.95, 14,324.28 and 5,664.22 is: 7,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.95 : 14,324.28 = 5,664.22 : x
  2. Step 2: Convert to fraction form
    10,379.95/14,324.28 = 5,664.22/x
  3. Step 3: Cross multiply
    10,379.95x = 14,324.28 × 5,664.22
  4. Step 4: Simplify right side
    10,379.95x = 81,135,873.26
  5. Step 5: Solve for x
    x = 81,135,873.26/10,379.95
  6. Step 6: Final answer
    x = 7,816.60

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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.