Home / 10,222.24-15,317.72-6,878.11

Finding the Fourth Proportional to 10,222.24, 15,317.72 and 6,878.11

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Solution

The fourth proportional to 10,222.24, 15,317.72 and 6,878.11 is: 10,306.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.24 : 15,317.72 = 6,878.11 : x
  2. Step 2: Convert to fraction form
    10,222.24/15,317.72 = 6,878.11/x
  3. Step 3: Cross multiply
    10,222.24x = 15,317.72 × 6,878.11
  4. Step 4: Simplify right side
    10,222.24x = 105,356,907.62
  5. Step 5: Solve for x
    x = 105,356,907.62/10,222.24
  6. Step 6: Final answer
    x = 10,306.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.