Home / 10,578.36-14,591.48-6,806.42

Finding the Fourth Proportional to 10,578.36, 14,591.48 and 6,806.42

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Solution

The fourth proportional to 10,578.36, 14,591.48 and 6,806.42 is: 9,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.36 : 14,591.48 = 6,806.42 : x
  2. Step 2: Convert to fraction form
    10,578.36/14,591.48 = 6,806.42/x
  3. Step 3: Cross multiply
    10,578.36x = 14,591.48 × 6,806.42
  4. Step 4: Simplify right side
    10,578.36x = 99,315,741.30
  5. Step 5: Solve for x
    x = 99,315,741.30/10,578.36
  6. Step 6: Final answer
    x = 9,388.58

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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.