Home / 10,299.88-14,220.66-6,109.48

Finding the Fourth Proportional to 10,299.88, 14,220.66 and 6,109.48

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Solution

The fourth proportional to 10,299.88, 14,220.66 and 6,109.48 is: 8,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.88 : 14,220.66 = 6,109.48 : x
  2. Step 2: Convert to fraction form
    10,299.88/14,220.66 = 6,109.48/x
  3. Step 3: Cross multiply
    10,299.88x = 14,220.66 × 6,109.48
  4. Step 4: Simplify right side
    10,299.88x = 86,880,837.86
  5. Step 5: Solve for x
    x = 86,880,837.86/10,299.88
  6. Step 6: Final answer
    x = 8,435.13

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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.