Home / 10,294.05-14,205.84-5,578.32

Finding the Fourth Proportional to 10,294.05, 14,205.84 and 5,578.32

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Solution

The fourth proportional to 10,294.05, 14,205.84 and 5,578.32 is: 7,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.05 : 14,205.84 = 5,578.32 : x
  2. Step 2: Convert to fraction form
    10,294.05/14,205.84 = 5,578.32/x
  3. Step 3: Cross multiply
    10,294.05x = 14,205.84 × 5,578.32
  4. Step 4: Simplify right side
    10,294.05x = 79,244,721.39
  5. Step 5: Solve for x
    x = 79,244,721.39/10,294.05
  6. Step 6: Final answer
    x = 7,698.11

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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.