Home / 10,398.12-14,349.60-6,208.80

Finding the Fourth Proportional to 10,398.12, 14,349.60 and 6,208.80

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Solution

The fourth proportional to 10,398.12, 14,349.60 and 6,208.80 is: 8,568.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,398.12 : 14,349.60 = 6,208.80 : x
  2. Step 2: Convert to fraction form
    10,398.12/14,349.60 = 6,208.80/x
  3. Step 3: Cross multiply
    10,398.12x = 14,349.60 × 6,208.80
  4. Step 4: Simplify right side
    10,398.12x = 89,093,796.48
  5. Step 5: Solve for x
    x = 89,093,796.48/10,398.12
  6. Step 6: Final answer
    x = 8,568.26

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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.